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avoid possible leak on exception

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Change-Id: Id3c16e5fedc5e57c8daccafa25bdb2fbbd0131b0
This commit is contained in:
Caolán McNamara
2015-08-17 14:54:01 +01:00
parent 6efbd4bb63
commit a19e2064c0
1 changed files with 35 additions and 13 deletions
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48
package/source/zippackage/ZipPackage.cxx
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@@ -1117,6 +1117,33 @@ void ZipPackage::ConnectTo( const uno::Reference< io::XInputStream >& xInStream
m_pZipFile = new ZipFile ( m_xContentStream, m_xContext, false );
}
namespace
{
class RandomPool
{
private:
rtlRandomPool m_aRandomPool;
public:
RandomPool()
{
// Get a random number generator and seed it with current timestamp
TimeValue aTime;
osl_getSystemTime( &aTime );
m_aRandomPool = rtl_random_createPool ();
rtl_random_addBytes (m_aRandomPool, &aTime, 8);
}
rtlRandomPool get()
{
return m_aRandomPool;
}
~RandomPool()
{
// Clean up random pool memory
rtl_random_destroyPool(m_aRandomPool);
}
};
}
uno::Reference< io::XInputStream > ZipPackage::writeTempFile()
{
// In case the target local file does not exist or empty
@@ -1218,20 +1245,15 @@ uno::Reference< io::XInputStream > ZipPackage::writeTempFile()
aManList.push_back( aPropSeq );
}
// Get a random number generator and seed it with current timestamp
// This will be used to generate random salt and initialisation vectors
// for encrypted streams
TimeValue aTime;
osl_getSystemTime( &aTime );
rtlRandomPool aRandomPool = rtl_random_createPool ();
rtl_random_addBytes ( aRandomPool, &aTime, 8 );
{
// This will be used to generate random salt and initialisation vectors
// for encrypted streams
RandomPool aRandomPool;
// call saveContents ( it will recursively save sub-directories
OUString aEmptyString;
m_pRootFolder->saveContents( aEmptyString, aManList, aZipOut, GetEncryptionKey(), aRandomPool );
// Clean up random pool memory
rtl_random_destroyPool ( aRandomPool );
// call saveContents ( it will recursively save sub-directories
OUString aEmptyString;
m_pRootFolder->saveContents(aEmptyString, aManList, aZipOut, GetEncryptionKey(), aRandomPool.get());
}
if( m_nFormat == embed::StorageFormats::PACKAGE )
{