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/**
* @file llhasheduniqueid.cpp
* @brief retrieves an obfuscated unique id for the system
*
* $LicenseInfo:firstyear=2013&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2013, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llhasheduniqueid.h"
#include "llviewernetwork.h"
#include "lluuid.h"
#include "llmachineid.h"
bool llHashedUniqueID(unsigned char id[MD5HEX_STR_SIZE])
{
bool idIsUnique = true;
LLMD5 hashed_unique_id;
unsigned char unique_id[MAC_ADDRESS_BYTES];
if ( LLUUID::getNodeID(unique_id)
|| LLMachineID::getUniqueID(unique_id, sizeof(unique_id))
)
{
hashed_unique_id.update(unique_id, MAC_ADDRESS_BYTES);
hashed_unique_id.finalize();
hashed_unique_id.hex_digest((char*)id);
LL_INFOS_ONCE("AppInit") << "System ID " << id << LL_ENDL;
}
else
{
idIsUnique = false;
memcpy(id,"00000000000000000000000000000000", MD5HEX_STR_SIZE);
LL_WARNS_ONCE("AppInit") << "Failed to get an id; cannot uniquely identify this machine." << LL_ENDL;
}
return idIsUnique;
}
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