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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* 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 2 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 "WardenMac.h"
#include "ByteBuffer.h"
#include "Common.h"
#include "CryptoHash.h"
#include "GameTime.h"
#include "Log.h"
#include "Opcodes.h"
#include "SessionKeyGenerator.h"
#include "Util.h"
#include "WardenModuleMac.h"
#include "WorldPacket.h"
#include "WorldSession.h"
#include <array>
WardenMac::WardenMac() : Warden() { }
WardenMac::~WardenMac() { }
void WardenMac::Init(WorldSession* pClient, SessionKey const& K)
{
_session = pClient;
// Generate Warden Key
SessionKeyGenerator<Trinity::Crypto::SHA1> WK(K);
WK.Generate(_inputKey.data(), 16);
WK.Generate(_outputKey.data(), 16);
/*
Seed: 4D808D2C77D905C41A6380EC08586AFE (0x05 packet)
Hash: <?> (0x04 packet)
Module MD5: 0DBBF209A27B1E279A9FEC5C168A15F7
New Client Key: <?>
New Cerver Key: <?>
*/
_seed = { 0x4D, 0x80, 0x8D, 0x2C, 0x77, 0xD9, 0x05, 0xC4, 0x1A, 0x63, 0x80, 0xEC, 0x08, 0x58, 0x6A, 0xFE };
_inputCrypto.Init(_inputKey);
_outputCrypto.Init(_outputKey);
TC_LOG_DEBUG("warden", "Server side warden for client {} initializing...", pClient->GetAccountId());
TC_LOG_DEBUG("warden", "C->S Key: {}", ByteArrayToHexStr(_inputKey));
TC_LOG_DEBUG("warden", "S->C Key: {}", ByteArrayToHexStr(_outputKey));
TC_LOG_DEBUG("warden", " Seed: {}", ByteArrayToHexStr(_seed));
TC_LOG_DEBUG("warden", "Loading Module...");
MakeModuleForClient();
TC_LOG_DEBUG("warden", "Module Key: {}", ByteArrayToHexStr(_module->Key));
TC_LOG_DEBUG("warden", "Module ID: {}", ByteArrayToHexStr(_module->Id));
RequestModule();
}
void WardenMac::InitializeModuleForClient(ClientWardenModule& module)
{
// data assign
module.CompressedData = Module_0DBBF209A27B1E279A9FEC5C168A15F7_Data.data();
module.CompressedSize = Module_0DBBF209A27B1E279A9FEC5C168A15F7_Data.size();
}
void WardenMac::InitializeModule()
{
TC_LOG_DEBUG("warden", "Initialize module");
}
void WardenMac::RequestHash()
{
TC_LOG_DEBUG("warden", "Request hash");
// Create packet structure
WardenHashRequest Request;
Request.Command = WARDEN_SMSG_HASH_REQUEST;
Request.Seed = _seed;
// Encrypt with warden RC4 key.
EncryptData((uint8*)&Request, sizeof(WardenHashRequest));
WorldPacket pkt(SMSG_WARDEN3_DATA, sizeof(WardenHashRequest));
pkt.append((uint8*)&Request, sizeof(WardenHashRequest));
_session->SendPacket(&pkt);
}
struct keyData {
union
{
struct
{
uint8 bytes[16];
} bytes;
struct
{
int ints[4];
} ints;
};
};
void WardenMac::HandleHashResult(ByteBuffer &buff)
{
// test
int keyIn[4];
keyData mod_seed = { { { { 0x4D, 0x80, 0x8D, 0x2C, 0x77, 0xD9, 0x05, 0xC4, 0x1A, 0x63, 0x80, 0xEC, 0x08, 0x58, 0x6A, 0xFE } } } };
for (int i = 0; i < 4; ++i)
{
keyIn[i] = mod_seed.ints.ints[i];
}
int keyOut[4];
int keyIn1, keyIn2;
keyOut[0] = keyIn[0];
keyIn[0] ^= 0xDEADBEEFu;
keyIn1 = keyIn[1];
keyIn[1] -= 0x35014542u;
keyIn2 = keyIn[2];
keyIn[2] += 0x5313F22u;
keyIn[3] *= 0x1337F00Du;
keyOut[1] = keyIn1 - 0x6A028A84;
keyOut[2] = keyIn2 + 0xA627E44;
keyOut[3] = 0x1337F00D * keyIn[3];
// end test
//const uint8 validHash[20] = { 0x56, 0x8C, 0x05, 0x4C, 0x78, 0x1A, 0x97, 0x2A, 0x60, 0x37, 0xA2, 0x29, 0x0C, 0x22, 0xB5, 0x25, 0x71, 0xA0, 0x6F, 0x4E };
// Verify key
Trinity::Crypto::SHA1::Digest result;
buff.read(result);
if (result != Trinity::Crypto::SHA1::GetDigestOf(reinterpret_cast<uint8*>(keyIn), 16))
{
char const* penalty = ApplyPenalty(nullptr);
TC_LOG_WARN("warden", "{} failed hash reply. Action: {}", _session->GetPlayerInfo(), penalty);
return;
}
TC_LOG_DEBUG("warden", "Request hash reply: succeed");
// client 7F96EEFDA5B63D20A4DF8E00CBF48304
//const uint8 client_key[16] = { 0x7F, 0x96, 0xEE, 0xFD, 0xA5, 0xB6, 0x3D, 0x20, 0xA4, 0xDF, 0x8E, 0x00, 0xCB, 0xF4, 0x83, 0x04 };
// server C2B7ADEDFCCCA9C2BFB3F85602BA809B
//const uint8 server_key[16] = { 0xC2, 0xB7, 0xAD, 0xED, 0xFC, 0xCC, 0xA9, 0xC2, 0xBF, 0xB3, 0xF8, 0x56, 0x02, 0xBA, 0x80, 0x9B };
// change keys here
memcpy(_inputKey.data(), keyIn, 16);
memcpy(_outputKey.data(), keyOut, 16);
_inputCrypto.Init(_inputKey);
_outputCrypto.Init(_outputKey);
_initialized = true;
}
void WardenMac::RequestChecks()
{
TC_LOG_DEBUG("warden", "Request data");
ByteBuffer buff;
buff << uint8(WARDEN_SMSG_CHEAT_CHECKS_REQUEST);
std::string str = "Test string!";
buff << uint8(str.size());
buff.append(str.c_str(), str.size());
buff.hexlike();
// Encrypt with warden RC4 key.
EncryptData(buff.data(), buff.size());
WorldPacket pkt(SMSG_WARDEN3_DATA, buff.size());
pkt.append(buff);
_session->SendPacket(&pkt);
_dataSent = true;
}
void WardenMac::HandleCheckResult(ByteBuffer &buff)
{
TC_LOG_DEBUG("warden", "Handle data");
_dataSent = false;
_clientResponseTimer = 0;
//uint16 Length;
//buff >> Length;
//uint32 Checksum;
//buff >> Checksum;
//if (!IsValidCheckSum(Checksum, buff.contents() + buff.rpos(), Length))
//{
// buff.rpos(buff.wpos());
// if (sWorld->getBoolConfig(CONFIG_BOOL_WARDEN_KICK))
// Client->KickPlayer();
// return;
//}
//bool found = false;
std::string str = "Test string!";
Trinity::Crypto::SHA1 sha1;
sha1.UpdateData(str);
uint32 magic = 0xFEEDFACE; // unsure
sha1.UpdateData((uint8*)&magic, 4);
sha1.Finalize();
std::array<uint8, Trinity::Crypto::SHA1::DIGEST_LENGTH> sha1Hash;
buff.read(sha1Hash.data(), sha1Hash.size());
if (sha1Hash != sha1.GetDigest())
{
TC_LOG_DEBUG("warden", "Handle data failed: SHA1 hash is wrong!");
//found = true;
}
std::array<uint8, 16> ourMD5Hash = Trinity::Crypto::MD5::GetDigestOf(str);
std::array<uint8, 16> theirsMD5Hash;
buff.read(theirsMD5Hash);
if (ourMD5Hash != theirsMD5Hash)
{
TC_LOG_DEBUG("warden", "Handle data failed: MD5 hash is wrong!");
//found = true;
}
_session->KickPlayer("WardenMac::HandleCheckResult");
}
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