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/*
* Copyright (C) 2012-2014 Arctium Emulation <http://arctium.org>
* Copyright (C) 2008-2014 TrinityCore <http://www.trinitycore.org/>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "Helper.hpp"
#include <SHA256.h>
#include <Util.h>
#include <stdexcept>
namespace Connection_Patcher
{
namespace Helper
{
Constants::BinaryTypes GetBinaryType(std::vector<unsigned char> const& data)
{
// Check MS-DOS magic
if (*reinterpret_cast<uint16_t const*>(data.data()) == 0x5A4D)
{
uint32_t const peOffset(*reinterpret_cast<uint32_t const*>(data.data() + 0x3C));
// Check PE magic
if (*reinterpret_cast<uint32_t const*>(data.data() + peOffset) != 0x4550)
throw std::invalid_argument("Not a PE file!");
return Constants::BinaryTypes(*reinterpret_cast<uint16_t const*>(data.data() + peOffset + 4));
}
else
{
return Constants::BinaryTypes(*reinterpret_cast<uint32_t const*>(data.data()));
}
}
std::string GetFileChecksum(std::vector<unsigned char> const& data)
{
SHA256Hash h;
h.UpdateData(data.data(), data.size());
h.Finalize();
return ByteArrayToHexStr(h.GetDigest(), h.GetLength());
}
}
}
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