dolphin/Externals/polarssl/library/debug.c
Ryan Houdek a48e284317 Update external polarssl to 1.3.8
There were some fixes back on March 13th, 2014 for fixing compiling on MIPS64.
Also some fixes on June 25th, 2014 for SPARC64 fixes.

Probably more things, but those are what I care about.
2014-09-08 02:21:18 -05:00

351 lines
9.4 KiB
C

/*
* Debugging routines
*
* Copyright (C) 2006-2014, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#if !defined(POLARSSL_CONFIG_FILE)
#include "polarssl/config.h"
#else
#include POLARSSL_CONFIG_FILE
#endif
#if defined(POLARSSL_DEBUG_C)
#include "polarssl/debug.h"
#include <stdarg.h>
#include <stdlib.h>
#if defined(EFIX64) || defined(EFI32)
#include <stdio.h>
#endif
#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
#if !defined snprintf
#define snprintf _snprintf
#endif
#if !defined vsnprintf
#define vsnprintf _vsnprintf
#endif
#endif /* _MSC_VER */
static int debug_log_mode = POLARSSL_DEBUG_DFL_MODE;
static int debug_threshold = 0;
void debug_set_log_mode( int log_mode )
{
debug_log_mode = log_mode;
}
void debug_set_threshold( int threshold )
{
debug_threshold = threshold;
}
char *debug_fmt( const char *format, ... )
{
va_list argp;
static char str[512];
int maxlen = sizeof( str ) - 1;
va_start( argp, format );
vsnprintf( str, maxlen, format, argp );
va_end( argp );
str[maxlen] = '\0';
return( str );
}
void debug_print_msg( const ssl_context *ssl, int level,
const char *file, int line, const char *text )
{
char str[512];
int maxlen = sizeof( str ) - 1;
if( ssl->f_dbg == NULL || level > debug_threshold )
return;
if( debug_log_mode == POLARSSL_DEBUG_LOG_RAW )
{
ssl->f_dbg( ssl->p_dbg, level, text );
return;
}
snprintf( str, maxlen, "%s(%04d): %s\n", file, line, text );
str[maxlen] = '\0';
ssl->f_dbg( ssl->p_dbg, level, str );
}
void debug_print_ret( const ssl_context *ssl, int level,
const char *file, int line,
const char *text, int ret )
{
char str[512];
int maxlen = sizeof( str ) - 1;
size_t idx = 0;
if( ssl->f_dbg == NULL || level > debug_threshold )
return;
if( debug_log_mode == POLARSSL_DEBUG_LOG_FULL )
idx = snprintf( str, maxlen, "%s(%04d): ", file, line );
snprintf( str + idx, maxlen - idx, "%s() returned %d (-0x%04x)\n",
text, ret, -ret );
str[maxlen] = '\0';
ssl->f_dbg( ssl->p_dbg, level, str );
}
void debug_print_buf( const ssl_context *ssl, int level,
const char *file, int line, const char *text,
unsigned char *buf, size_t len )
{
char str[512];
size_t i, maxlen = sizeof( str ) - 1, idx = 0;
if( ssl->f_dbg == NULL || level > debug_threshold )
return;
if( debug_log_mode == POLARSSL_DEBUG_LOG_FULL )
idx = snprintf( str, maxlen, "%s(%04d): ", file, line );
snprintf( str + idx, maxlen - idx, "dumping '%s' (%u bytes)\n",
text, (unsigned int) len );
str[maxlen] = '\0';
ssl->f_dbg( ssl->p_dbg, level, str );
idx = 0;
for( i = 0; i < len; i++ )
{
if( i >= 4096 )
break;
if( i % 16 == 0 )
{
if( i > 0 )
{
snprintf( str + idx, maxlen - idx, "\n" );
ssl->f_dbg( ssl->p_dbg, level, str );
idx = 0;
}
if( debug_log_mode == POLARSSL_DEBUG_LOG_FULL )
idx = snprintf( str, maxlen, "%s(%04d): ", file, line );
idx += snprintf( str + idx, maxlen - idx, "%04x: ",
(unsigned int) i );
}
idx += snprintf( str + idx, maxlen - idx, " %02x",
(unsigned int) buf[i] );
}
if( len > 0 )
{
snprintf( str + idx, maxlen - idx, "\n" );
ssl->f_dbg( ssl->p_dbg, level, str );
}
}
#if defined(POLARSSL_ECP_C)
void debug_print_ecp( const ssl_context *ssl, int level,
const char *file, int line,
const char *text, const ecp_point *X )
{
char str[512];
int maxlen = sizeof( str ) - 1;
if( ssl->f_dbg == NULL || level > debug_threshold )
return;
snprintf( str, maxlen, "%s(X)", text );
str[maxlen] = '\0';
debug_print_mpi( ssl, level, file, line, str, &X->X );
snprintf( str, maxlen, "%s(Y)", text );
str[maxlen] = '\0';
debug_print_mpi( ssl, level, file, line, str, &X->Y );
}
#endif /* POLARSSL_ECP_C */
#if defined(POLARSSL_BIGNUM_C)
void debug_print_mpi( const ssl_context *ssl, int level,
const char *file, int line,
const char *text, const mpi *X )
{
char str[512];
int j, k, maxlen = sizeof( str ) - 1, zeros = 1;
size_t i, n, idx = 0;
if( ssl->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(t_uint) << 3 ) - 1; j >= 0; j-- )
if( ( ( X->p[n] >> j ) & 1 ) != 0 )
break;
if( debug_log_mode == POLARSSL_DEBUG_LOG_FULL )
idx = snprintf( str, maxlen, "%s(%04d): ", file, line );
snprintf( str + idx, maxlen - idx, "value of '%s' (%d bits) is:\n",
text, (int) ( ( n * ( sizeof(t_uint) << 3 ) ) + j + 1 ) );
str[maxlen] = '\0';
ssl->f_dbg( ssl->p_dbg, level, str );
idx = 0;
for( i = n + 1, j = 0; i > 0; i-- )
{
if( zeros && X->p[i - 1] == 0 )
continue;
for( k = sizeof( t_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 )
{
snprintf( str + idx, maxlen - idx, "\n" );
ssl->f_dbg( ssl->p_dbg, level, str );
idx = 0;
}
if( debug_log_mode == POLARSSL_DEBUG_LOG_FULL )
idx = snprintf( str, maxlen, "%s(%04d): ", file, line );
}
idx += snprintf( str + idx, maxlen - idx, " %02x", (unsigned int)
( X->p[i - 1] >> ( k << 3 ) ) & 0xFF );
j++;
}
}
if( zeros == 1 )
{
if( debug_log_mode == POLARSSL_DEBUG_LOG_FULL )
{
idx = snprintf( str, maxlen, "%s(%04d): ", file, line );
}
idx += snprintf( str + idx, maxlen - idx, " 00" );
}
snprintf( str + idx, maxlen - idx, "\n" );
ssl->f_dbg( ssl->p_dbg, level, str );
}
#endif /* POLARSSL_BIGNUM_C */
#if defined(POLARSSL_X509_CRT_PARSE_C)
static void debug_print_pk( const ssl_context *ssl, int level,
const char *file, int line,
const char *text, const pk_context *pk )
{
size_t i;
pk_debug_item items[POLARSSL_PK_DEBUG_MAX_ITEMS];
char name[16];
memset( items, 0, sizeof( items ) );
if( pk_debug( pk, items ) != 0 )
{
debug_print_msg( ssl, level, file, line, "invalid PK context" );
return;
}
for( i = 0; i < POLARSSL_PK_DEBUG_MAX_ITEMS; i++ )
{
if( items[i].type == POLARSSL_PK_DEBUG_NONE )
return;
snprintf( name, sizeof( name ), "%s%s", text, items[i].name );
name[sizeof( name ) - 1] = '\0';
if( items[i].type == POLARSSL_PK_DEBUG_MPI )
debug_print_mpi( ssl, level, file, line, name, items[i].value );
else
#if defined(POLARSSL_ECP_C)
if( items[i].type == POLARSSL_PK_DEBUG_ECP )
debug_print_ecp( ssl, level, file, line, name, items[i].value );
else
#endif
debug_print_msg( ssl, level, file, line, "should not happen" );
}
}
void debug_print_crt( const ssl_context *ssl, int level,
const char *file, int line,
const char *text, const x509_crt *crt )
{
char str[1024], prefix[64];
int i = 0, maxlen = sizeof( prefix ) - 1, idx = 0;
if( ssl->f_dbg == NULL || crt == NULL || level > debug_threshold )
return;
if( debug_log_mode == POLARSSL_DEBUG_LOG_FULL )
{
snprintf( prefix, maxlen, "%s(%04d): ", file, line );
prefix[maxlen] = '\0';
}
else
prefix[0] = '\0';
maxlen = sizeof( str ) - 1;
while( crt != NULL )
{
char buf[1024];
x509_crt_info( buf, sizeof( buf ) - 1, prefix, crt );
if( debug_log_mode == POLARSSL_DEBUG_LOG_FULL )
idx = snprintf( str, maxlen, "%s(%04d): ", file, line );
snprintf( str + idx, maxlen - idx, "%s #%d:\n%s",
text, ++i, buf );
str[maxlen] = '\0';
ssl->f_dbg( ssl->p_dbg, level, str );
debug_print_pk( ssl, level, file, line, "crt->", &crt->pk );
crt = crt->next;
}
}
#endif /* POLARSSL_X509_CRT_PARSE_C */
#endif /* POLARSSL_DEBUG_C */