mirror of
https://github.com/yuzu-emu/mbedtls
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132 lines
3 KiB
Text
132 lines
3 KiB
Text
/*
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* Error message information
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*
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* Copyright (C) 2006-2012, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "polarssl/config.h"
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#if defined(POLARSSL_ERROR_C)
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#include "polarssl/error.h"
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HEADER_INCLUDED
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#include <string.h>
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#if defined(EFIX64) || defined(EFI32)
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#include <stdio.h>
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#endif
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#if defined(_MSC_VER) && !defined snprintf
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#define snprintf _snprintf
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#endif
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void polarssl_strerror( int ret, char *buf, size_t buflen )
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{
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size_t len;
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int use_ret;
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if( buflen == 0 )
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return;
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memset( buf, 0x00, buflen );
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/* Reduce buflen to make sure MSVC _snprintf() ends with \0 as well */
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buflen -= 1;
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if( ret < 0 )
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ret = -ret;
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if( ret & 0xFF80 )
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{
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use_ret = ret & 0xFF80;
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// High level error codes
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//
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HIGH_LEVEL_CODE_CHECKS
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if( strlen( buf ) == 0 )
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snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );
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}
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use_ret = ret & ~0xFF80;
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if( use_ret == 0 )
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return;
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// If high level code is present, make a concatenation between both
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// error strings.
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//
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len = strlen( buf );
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if( len > 0 )
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{
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if( buflen - len < 5 )
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return;
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snprintf( buf + len, buflen - len, " : " );
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buf += len + 3;
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buflen -= len + 3;
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}
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// Low level error codes
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//
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LOW_LEVEL_CODE_CHECKS
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if( strlen( buf ) != 0 )
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return;
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snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );
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}
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#if defined(POLARSSL_ERROR_STRERROR_BC)
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void error_strerror( int ret, char *buf, size_t buflen )
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{
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polarssl_strerror( ret, buf, buflen );
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}
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#endif /* POLARSSL_ERROR_STRERROR_BC */
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#else /* POLARSSL_ERROR_C */
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#if defined(POLARSSL_ERROR_STRERROR_DUMMY)
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#include <string.h>
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/*
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* Provide an non-function in case POLARSSL_ERROR_C is not defined
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*/
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void polarssl_strerror( int ret, char *buf, size_t buflen )
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{
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((void) ret);
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if( buflen > 0 )
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buf[0] = '\0';
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}
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#if defined(POLARSSL_ERROR_STRERROR_BC)
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void error_strerror( int ret, char *buf, size_t buflen )
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{
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polarssl_strerror( ret, buf, buflen );
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}
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#endif /* POLARSSL_ERROR_STRERROR_BC */
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#endif /* POLARSSL_ERROR_STRERROR_DUMMY */
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#endif /* POLARSSL_ERROR_C */
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