xmlsecurityengine/xmlseccrypto/src/xmlsecc_bio.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 06 Jul 2010 16:24:52 +0300
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parent 17 ed3155dbd163
permissions -rw-r--r--
Revision: 201027 Kit: 2010127
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/*
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* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  A wrapper of OpenSSL bio.c functions to Symbian.
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*
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*/
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/** A wrapper of OpenSSL bio.c functions to Symbian **/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <e32base.h>
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#include "xmlsec_error_flag.h"
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#include "xmlsecc_config.h"
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#include "xmlsecc_bio.h"
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BIO* BIO_new_buffer(const char *aData, unsigned int aSize, const char *aName)
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    {
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    BIO	*bio;
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    char *tmpname = NULL;
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    char* buf = (char *)malloc(aSize + 1);
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    if(!buf){	   
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	    xmlSecSetErrorFlag( KErrNoMemory );
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	    return(NULL);
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	}
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	memcpy(buf, aData, aSize);
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    if (aName)
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	{
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		tmpname = (char *)malloc(sizeof(char)*(strlen(aName)+1));
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		if (!tmpname)
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		{
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		    xmlSecSetErrorFlag( KErrNoMemory );
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			free(buf);
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			return (NULL);
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		}		
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		strcpy(tmpname, aName);
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	}
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	bio = (BIO *)malloc(sizeof(BIO));
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	if (!bio)
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	{
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		xmlSecSetErrorFlag( KErrNoMemory );
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	    free(buf);
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	    free(tmpname);
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	    return(NULL);
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	}
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	bio->mem = buf;
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	bio->len = aSize;
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	bio->name = tmpname;
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	return bio;
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    }
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BIO* BIO_new_file(const char *aFilename, const char *aMode, const char *name)
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{
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    BIO *bio;
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	FILE *fp;
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    char *buf;
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    long fileLen;
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    int byteRead;
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    char *tmpname = NULL;
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    //Read file to memory
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	fp = fopen(aFilename, aMode);
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	if(!fp)
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	    {
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	    if ( errno == ENOMEM )
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	        {
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		    xmlSecSetErrorFlag( KErrNoMemory );
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	        }
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	    return(NULL);
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	    }
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	fseek(fp, 0, SEEK_END);
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	fileLen = ftell(fp);
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	if(fileLen < 0)
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		{
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			xmlSecSetErrorFlag( KErrGeneral );
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			fclose(fp);
1
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			return(NULL);
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		}
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	fseek ( fp , 0L , SEEK_SET );
0
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	buf = (char *)malloc(sizeof(char)*(fileLen+1));
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    if(!buf) {	   
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		xmlSecSetErrorFlag( KErrNoMemory );
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		fclose(fp);
0
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	    return(NULL);
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	}    
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	byteRead = fread(buf, sizeof(char), fileLen, fp);
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    if(byteRead != fileLen) {
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	    free(buf);
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	    fclose(fp);
0
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	    return(NULL);
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	}   
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	if (name)
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	{
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		tmpname = (char *)malloc(sizeof(char)*(strlen(name)+1));
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		if (!tmpname)
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   117
		{
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   118
		    xmlSecSetErrorFlag( KErrNoMemory );
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   119
			free(buf);
17
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   120
			fclose(fp);
0
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   121
			return (NULL);
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   122
		}		
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   123
		strcpy(tmpname, name);
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   124
	}
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parents:
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   125
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   126
	bio = (BIO *)malloc(sizeof(BIO));
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   127
	if (!bio)
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   128
	{
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   129
		xmlSecSetErrorFlag( KErrNoMemory );
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   130
		if (tmpname)
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   131
		    {
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   132
		    free(tmpname);
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   133
		    }
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   134
	    free(buf);
17
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   135
	    fclose(fp);
0
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   136
	    return(NULL);
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   137
	}
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parents:
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   138
	
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   139
	bio->mem = buf;
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   140
	bio->len = fileLen;
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   141
	bio->name = tmpname;
17
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   142
	fclose(fp);
0
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   143
	return bio; 	
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   144
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parents:
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   145
}
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parents:
diff changeset
   146
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   147
void BIO_free(BIO *bio)
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   148
{
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   149
	if (bio)
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   150
	{
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   151
		if (bio->mem)
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parents:
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   152
		{
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   153
			memset(bio->mem, 0, bio->len);
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parents:
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   154
			free(bio->mem);			
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   155
		}
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parents:
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   156
		if (bio->name)
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parents:
diff changeset
   157
		{
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parents:
diff changeset
   158
		    free(bio->name);        
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parents:
diff changeset
   159
		}
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parents:
diff changeset
   160
		free(bio);
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parents:
diff changeset
   161
	}
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parents:
diff changeset
   162
}
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parents:
diff changeset
   163
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parents:
diff changeset
   164
BIO* BIO_new()
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parents:
diff changeset
   165
{
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parents:
diff changeset
   166
	BIO *bio = (BIO *)malloc(sizeof(BIO));
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parents:
diff changeset
   167
	if ( !bio ) 
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parents:
diff changeset
   168
	    {
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parents:
diff changeset
   169
	    xmlSecSetErrorFlag( KErrNoMemory );
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parents:
diff changeset
   170
	    return NULL;
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parents:
diff changeset
   171
	    }
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parents:
diff changeset
   172
	bio->mem = NULL;
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parents:
diff changeset
   173
	bio->len = 0;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   174
	bio->name = NULL;
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parents:
diff changeset
   175
	return bio;
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parents:
diff changeset
   176
}
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parents:
diff changeset
   177
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parents:
diff changeset
   178
int BIO_write(BIO *bio, const unsigned char *buf, unsigned int size)
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parents:
diff changeset
   179
{
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   180
	bio->mem = (char *)malloc(size *sizeof(char));
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parents:
diff changeset
   181
	if (!bio->mem)
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parents:
diff changeset
   182
	    {
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parents:
diff changeset
   183
	    xmlSecSetErrorFlag( KErrNoMemory );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   184
	    return -1;    
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parents:
diff changeset
   185
	    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   186
	
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
	memcpy((unsigned char*)bio->mem, buf, size);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
	bio->len = size;
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parents:
diff changeset
   189
	
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   190
	return 0;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
}