Diff: mbedtls/source/debug.c

Revision:

20:9d2428bde914

Parent:

19:6bc40ac8b054

Child:

21:552b630becf2

diff -r 6bc40ac8b054 -r 9d2428bde914 mbedtls/source/debug.c
--- a/mbedtls/source/debug.c	Thu Nov 17 18:35:51 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,368 +0,0 @@
-/*
- *  Debugging routines
- *
- *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
- *  SPDX-License-Identifier: Apache-2.0
- *
- *  Licensed under the Apache License, Version 2.0 (the "License"); you may
- *  not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  This file is part of mbed TLS (https://tls.mbed.org)
- */
-
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
-
-#if defined(MBEDTLS_DEBUG_C)
-
-#if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc      calloc
-#define mbedtls_free        free
-#define mbedtls_time_t      time_t
-#define mbedtls_snprintf    snprintf
-#endif
-
-#include "mbedtls/debug.h"
-
-#include <stdarg.h>
-#include <stdio.h>
-#include <string.h>
-
-#if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
-    !defined(inline) && !defined(__cplusplus)
-#define inline __inline
-#endif
-
-#define DEBUG_BUF_SIZE      512
-
-static int debug_threshold = 0;
-
-void mbedtls_debug_set_threshold( int threshold )
-{
-    debug_threshold = threshold;
-}
-
-/*
- * All calls to f_dbg must be made via this function
- */
-static inline void debug_send_line( const mbedtls_ssl_context *ssl, int level,
-                                    const char *file, int line,
-                                    const char *str )
-{
-    /*
-     * If in a threaded environment, we need a thread identifier.
-     * Since there is no portable way to get one, use the address of the ssl
-     * context instead, as it shouldn't be shared between threads.
-     */
-#if defined(MBEDTLS_THREADING_C)
-    char idstr[20 + DEBUG_BUF_SIZE]; /* 0x + 16 nibbles + ': ' */
-    mbedtls_snprintf( idstr, sizeof( idstr ), "%p: %s", ssl, str );
-    ssl->conf->f_dbg( ssl->conf->p_dbg, level, file, line, idstr );
-#else
-    ssl->conf->f_dbg( ssl->conf->p_dbg, level, file, line, str );
-#endif
-}
-
-void mbedtls_debug_print_msg( const mbedtls_ssl_context *ssl, int level,
-                              const char *file, int line,
-                              const char *format, ... )
-{
-    va_list argp;
-    char str[DEBUG_BUF_SIZE];
-    int ret;
-
-    if( NULL == ssl || NULL == ssl->conf || NULL == ssl->conf->f_dbg || level > debug_threshold )
-        return;
-
-    va_start( argp, format );
-#if defined(_WIN32)
-#if defined(_TRUNCATE)
-    ret = _vsnprintf_s( str, DEBUG_BUF_SIZE, _TRUNCATE, format, argp );
-#else
-    ret = _vsnprintf( str, DEBUG_BUF_SIZE, format, argp );
-    if( ret < 0 || (size_t) ret == DEBUG_BUF_SIZE )
-    {
-        str[DEBUG_BUF_SIZE-1] = '\0';
-        ret = -1;
-    }
-#endif
-#else
-    ret = vsnprintf( str, DEBUG_BUF_SIZE, format, argp );
-#endif
-    va_end( argp );
-
-    if( ret >= 0 && ret < DEBUG_BUF_SIZE - 1 )
-    {
-        str[ret]     = '\n';
-        str[ret + 1] = '\0';
-    }
-
-    debug_send_line( ssl, level, file, line, str );
-}
-
-void mbedtls_debug_print_ret( const mbedtls_ssl_context *ssl, int level,
-                      const char *file, int line,
-                      const char *text, int ret )
-{
-    char str[DEBUG_BUF_SIZE];
-
-    if( ssl->conf == NULL || ssl->conf->f_dbg == NULL || level > debug_threshold )
-        return;
-
-    /*
-     * With non-blocking I/O and examples that just retry immediately,
-     * the logs would be quickly flooded with WANT_READ, so ignore that.
-     * Don't ignore WANT_WRITE however, since is is usually rare.
-     */
-    if( ret == MBEDTLS_ERR_SSL_WANT_READ )
-        return;
-
-    mbedtls_snprintf( str, sizeof( str ), "%s() returned %d (-0x%04x)\n",
-              text, ret, -ret );
-
-    debug_send_line( ssl, level, file, line, str );
-}
-
-void mbedtls_debug_print_buf( const mbedtls_ssl_context *ssl, int level,
-                      const char *file, int line, const char *text,
-                      const unsigned char *buf, size_t len )
-{
-    char str[DEBUG_BUF_SIZE];
-    char txt[17];
-    size_t i, idx = 0;
-
-    if( ssl->conf == NULL || ssl->conf->f_dbg == NULL || level > debug_threshold )
-        return;
-
-    mbedtls_snprintf( str + idx, sizeof( str ) - idx, "dumping '%s' (%u bytes)\n",
-              text, (unsigned int) len );
-
-    debug_send_line( ssl, level, file, line, str );
-
-    idx = 0;
-    memset( txt, 0, sizeof( txt ) );
-    for( i = 0; i < len; i++ )
-    {
-        if( i >= 4096 )
-            break;
-
-        if( i % 16 == 0 )
-        {
-            if( i > 0 )
-            {
-                mbedtls_snprintf( str + idx, sizeof( str ) - idx, "  %s\n", txt );
-                debug_send_line( ssl, level, file, line, str );
-
-                idx = 0;
-                memset( txt, 0, sizeof( txt ) );
-            }
-
-            idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, "%04x: ",
-                             (unsigned int) i );
-
-        }
-
-        idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, " %02x",
-                         (unsigned int) buf[i] );
-        txt[i % 16] = ( buf[i] > 31 && buf[i] < 127 ) ? buf[i] : '.' ;
-    }
-
-    if( len > 0 )
-    {
-        for( /* i = i */; i % 16 != 0; i++ )
-            idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, "   " );
-
-        mbedtls_snprintf( str + idx, sizeof( str ) - idx, "  %s\n", txt );
-        debug_send_line( ssl, level, file, line, str );
-    }
-}
-
-#if defined(MBEDTLS_ECP_C)
-void mbedtls_debug_print_ecp( const mbedtls_ssl_context *ssl, int level,
-                      const char *file, int line,
-                      const char *text, const mbedtls_ecp_point *X )
-{
-    char str[DEBUG_BUF_SIZE];
-
-    if( ssl->conf == NULL || ssl->conf->f_dbg == NULL || level > debug_threshold )
-        return;
-
-    mbedtls_snprintf( str, sizeof( str ), "%s(X)", text );
-    mbedtls_debug_print_mpi( ssl, level, file, line, str, &X->X );
-
-    mbedtls_snprintf( str, sizeof( str ), "%s(Y)", text );
-    mbedtls_debug_print_mpi( ssl, level, file, line, str, &X->Y );
-}
-#endif /* MBEDTLS_ECP_C */
-
-#if defined(MBEDTLS_BIGNUM_C)
-void mbedtls_debug_print_mpi( const mbedtls_ssl_context *ssl, int level,
-                      const char *file, int line,
-                      const char *text, const mbedtls_mpi *X )
-{
-    char str[DEBUG_BUF_SIZE];
-    int j, k, zeros = 1;
-    size_t i, n, idx = 0;
-
-    if( ssl->conf == NULL || ssl->conf->f_dbg == NULL || X == NULL || level > debug_threshold )
-        return;
-
-    for( n = X->n - 1; n > 0; n-- )
-        if( X->p[n] != 0 )
-            break;
-
-    for( j = ( sizeof(mbedtls_mpi_uint) << 3 ) - 1; j >= 0; j-- )
-        if( ( ( X->p[n] >> j ) & 1 ) != 0 )
-            break;
-
-    mbedtls_snprintf( str + idx, sizeof( str ) - idx, "value of '%s' (%d bits) is:\n",
-              text, (int) ( ( n * ( sizeof(mbedtls_mpi_uint) << 3 ) ) + j + 1 ) );
-
-    debug_send_line( ssl, level, file, line, str );
-
-    idx = 0;
-    for( i = n + 1, j = 0; i > 0; i-- )
-    {
-        if( zeros && X->p[i - 1] == 0 )
-            continue;
-
-        for( k = sizeof( mbedtls_mpi_uint ) - 1; k >= 0; k-- )
-        {
-            if( zeros && ( ( X->p[i - 1] >> ( k << 3 ) ) & 0xFF ) == 0 )
-                continue;
-            else
-                zeros = 0;
-
-            if( j % 16 == 0 )
-            {
-                if( j > 0 )
-                {
-                    mbedtls_snprintf( str + idx, sizeof( str ) - idx, "\n" );
-                    debug_send_line( ssl, level, file, line, str );
-                    idx = 0;
-                }
-            }
-
-            idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, " %02x", (unsigned int)
-                             ( X->p[i - 1] >> ( k << 3 ) ) & 0xFF );
-
-            j++;
-        }
-
-    }
-
-    if( zeros == 1 )
-        idx += mbedtls_snprintf( str + idx, sizeof( str ) - idx, " 00" );
-
-    mbedtls_snprintf( str + idx, sizeof( str ) - idx, "\n" );
-    debug_send_line( ssl, level, file, line, str );
-}
-#endif /* MBEDTLS_BIGNUM_C */
-
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-static void debug_print_pk( const mbedtls_ssl_context *ssl, int level,
-                            const char *file, int line,
-                            const char *text, const mbedtls_pk_context *pk )
-{
-    size_t i;
-    mbedtls_pk_debug_item items[MBEDTLS_PK_DEBUG_MAX_ITEMS];
-    char name[16];
-
-    memset( items, 0, sizeof( items ) );
-
-    if( mbedtls_pk_debug( pk, items ) != 0 )
-    {
-        debug_send_line( ssl, level, file, line,
-                          "invalid PK context\n" );
-        return;
-    }
-
-    for( i = 0; i < MBEDTLS_PK_DEBUG_MAX_ITEMS; i++ )
-    {
-        if( items[i].type == MBEDTLS_PK_DEBUG_NONE )
-            return;
-
-        mbedtls_snprintf( name, sizeof( name ), "%s%s", text, items[i].name );
-        name[sizeof( name ) - 1] = '\0';
-
-        if( items[i].type == MBEDTLS_PK_DEBUG_MPI )
-            mbedtls_debug_print_mpi( ssl, level, file, line, name, items[i].value );
-        else
-#if defined(MBEDTLS_ECP_C)
-        if( items[i].type == MBEDTLS_PK_DEBUG_ECP )
-            mbedtls_debug_print_ecp( ssl, level, file, line, name, items[i].value );
-        else
-#endif
-            debug_send_line( ssl, level, file, line,
-                              "should not happen\n" );
-    }
-}
-
-static void debug_print_line_by_line( const mbedtls_ssl_context *ssl, int level,
-                                      const char *file, int line, const char *text )
-{
-    char str[DEBUG_BUF_SIZE];
-    const char *start, *cur;
-
-    start = text;
-    for( cur = text; *cur != '\0'; cur++ )
-    {
-        if( *cur == '\n' )
-        {
-            size_t len = cur - start + 1;
-            if( len > DEBUG_BUF_SIZE - 1 )
-                len = DEBUG_BUF_SIZE - 1;
-
-            memcpy( str, start, len );
-            str[len] = '\0';
-
-            debug_send_line( ssl, level, file, line, str );
-
-            start = cur + 1;
-        }
-    }
-}
-
-void mbedtls_debug_print_crt( const mbedtls_ssl_context *ssl, int level,
-                      const char *file, int line,
-                      const char *text, const mbedtls_x509_crt *crt )
-{
-    char str[DEBUG_BUF_SIZE];
-    int i = 0;
-
-    if( ssl->conf == NULL || ssl->conf->f_dbg == NULL || crt == NULL || level > debug_threshold )
-        return;
-
-    while( crt != NULL )
-    {
-        char buf[1024];
-
-        mbedtls_snprintf( str, sizeof( str ), "%s #%d:\n", text, ++i );
-        debug_send_line( ssl, level, file, line, str );
-
-        mbedtls_x509_crt_info( buf, sizeof( buf ) - 1, "", crt );
-        debug_print_line_by_line( ssl, level, file, line, buf );
-
-        debug_print_pk( ssl, level, file, line, "crt->", &crt->pk );
-
-        crt = crt->next;
-    }
-}
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
-
-#endif /* MBEDTLS_DEBUG_C */