Files
TrinityCore/src/server/game/Server/Packets/AuthenticationPackets.cpp
2020-06-23 08:54:12 +02:00

325 lines
12 KiB
C++

/*
* 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 "AuthenticationPackets.h"
#include "BigNumber.h"
#include "CharacterTemplateDataStore.h"
#include "HmacHash.h"
#include "ObjectMgr.h"
#include "RSA.h"
#include "SHA256.h"
#include "Util.h"
ByteBuffer& operator<<(ByteBuffer& data, WorldPackets::Auth::VirtualRealmNameInfo const& virtualRealmInfo)
{
data.WriteBit(virtualRealmInfo.IsLocal);
data.WriteBit(virtualRealmInfo.IsInternalRealm);
data.WriteBits(virtualRealmInfo.RealmNameActual.length(), 8);
data.WriteBits(virtualRealmInfo.RealmNameNormalized.length(), 8);
data.FlushBits();
data.WriteString(virtualRealmInfo.RealmNameActual);
data.WriteString(virtualRealmInfo.RealmNameNormalized);
return data;
}
ByteBuffer& operator<<(ByteBuffer& data, WorldPackets::Auth::VirtualRealmInfo const& virtualRealmInfo)
{
data << uint32(virtualRealmInfo.RealmAddress);
data << virtualRealmInfo.RealmNameInfo;
return data;
}
bool WorldPackets::Auth::EarlyProcessClientPacket::ReadNoThrow()
{
try
{
Read();
return true;
}
catch (ByteBufferPositionException const& /*ex*/)
{
}
return false;
}
void WorldPackets::Auth::Ping::Read()
{
_worldPacket >> Serial;
_worldPacket >> Latency;
}
const WorldPacket* WorldPackets::Auth::Pong::Write()
{
_worldPacket << uint32(Serial);
return &_worldPacket;
}
WorldPacket const* WorldPackets::Auth::AuthChallenge::Write()
{
_worldPacket.append(DosChallenge.data(), DosChallenge.size());
_worldPacket.append(Challenge.data(), Challenge.size());
_worldPacket << uint8(DosZeroBits);
return &_worldPacket;
}
void WorldPackets::Auth::AuthSession::Read()
{
uint32 realmJoinTicketSize;
_worldPacket >> DosResponse;
_worldPacket >> RegionID;
_worldPacket >> BattlegroupID;
_worldPacket >> RealmID;
_worldPacket.read(LocalChallenge.data(), LocalChallenge.size());
_worldPacket.read(Digest.data(), Digest.size());
UseIPv6 = _worldPacket.ReadBit();
_worldPacket >> realmJoinTicketSize;
if (realmJoinTicketSize)
{
RealmJoinTicket.resize(std::min(realmJoinTicketSize, uint32(_worldPacket.size() - _worldPacket.rpos())));
_worldPacket.read(reinterpret_cast<uint8*>(&RealmJoinTicket[0]), RealmJoinTicket.size());
}
}
ByteBuffer& operator<<(ByteBuffer& data, WorldPackets::Auth::AuthWaitInfo const& waitInfo)
{
data << uint32(waitInfo.WaitCount);
data << uint32(waitInfo.WaitTime);
data.WriteBit(waitInfo.HasFCM);
data.FlushBits();
return data;
}
WorldPacket const* WorldPackets::Auth::AuthResponse::Write()
{
_worldPacket << uint32(Result);
_worldPacket.WriteBit(SuccessInfo.is_initialized());
_worldPacket.WriteBit(WaitInfo.is_initialized());
_worldPacket.FlushBits();
if (SuccessInfo)
{
_worldPacket << uint32(SuccessInfo->VirtualRealmAddress);
_worldPacket << uint32(SuccessInfo->VirtualRealms.size());
_worldPacket << uint32(SuccessInfo->TimeRested);
_worldPacket << uint8(SuccessInfo->ActiveExpansionLevel);
_worldPacket << uint8(SuccessInfo->AccountExpansionLevel);
_worldPacket << uint32(SuccessInfo->TimeSecondsUntilPCKick);
_worldPacket << uint32(SuccessInfo->AvailableClasses->size());
_worldPacket << uint32(SuccessInfo->Templates.size());
_worldPacket << uint32(SuccessInfo->CurrencyID);
_worldPacket << int32(SuccessInfo->Time);
for (RaceClassAvailability const& raceClassAvailability : *SuccessInfo->AvailableClasses)
{
_worldPacket << uint8(raceClassAvailability.RaceID);
_worldPacket << uint32(raceClassAvailability.Classes.size());
for (ClassAvailability const& classAvailability : raceClassAvailability.Classes)
{
_worldPacket << uint8(classAvailability.ClassID);
_worldPacket << uint8(classAvailability.ActiveExpansionLevel);
_worldPacket << uint8(classAvailability.AccountExpansionLevel);
}
}
_worldPacket.WriteBit(SuccessInfo->IsExpansionTrial);
_worldPacket.WriteBit(SuccessInfo->ForceCharacterTemplate);
_worldPacket.WriteBit(SuccessInfo->NumPlayersHorde.is_initialized());
_worldPacket.WriteBit(SuccessInfo->NumPlayersAlliance.is_initialized());
_worldPacket.WriteBit(SuccessInfo->ExpansionTrialExpiration.is_initialized());
_worldPacket.FlushBits();
{
_worldPacket << uint32(SuccessInfo->Billing.BillingPlan);
_worldPacket << uint32(SuccessInfo->Billing.TimeRemain);
_worldPacket << uint32(SuccessInfo->Billing.Unknown735);
// 3x same bit is not a mistake - preserves legacy client behavior of BillingPlanFlags::SESSION_IGR
_worldPacket.WriteBit(SuccessInfo->Billing.InGameRoom); // inGameRoom check in function checking which lua event to fire when remaining time is near end - BILLING_NAG_DIALOG vs IGR_BILLING_NAG_DIALOG
_worldPacket.WriteBit(SuccessInfo->Billing.InGameRoom); // inGameRoom lua return from Script_GetBillingPlan
_worldPacket.WriteBit(SuccessInfo->Billing.InGameRoom); // not used anywhere in the client
_worldPacket.FlushBits();
}
if (SuccessInfo->NumPlayersHorde)
_worldPacket << uint16(*SuccessInfo->NumPlayersHorde);
if (SuccessInfo->NumPlayersAlliance)
_worldPacket << uint16(*SuccessInfo->NumPlayersAlliance);
if (SuccessInfo->ExpansionTrialExpiration)
_worldPacket << int32(*SuccessInfo->ExpansionTrialExpiration);
for (VirtualRealmInfo const& virtualRealm : SuccessInfo->VirtualRealms)
_worldPacket << virtualRealm;
for (CharacterTemplate const* templat : SuccessInfo->Templates)
{
_worldPacket << uint32(templat->TemplateSetId);
_worldPacket << uint32(templat->Classes.size());
for (CharacterTemplateClass const& templateClass : templat->Classes)
{
_worldPacket << uint8(templateClass.ClassID);
_worldPacket << uint8(templateClass.FactionGroup);
}
_worldPacket.WriteBits(templat->Name.length(), 7);
_worldPacket.WriteBits(templat->Description.length(), 10);
_worldPacket.FlushBits();
_worldPacket.WriteString(templat->Name);
_worldPacket.WriteString(templat->Description);
}
}
if (WaitInfo)
_worldPacket << *WaitInfo;
return &_worldPacket;
}
WorldPacket const* WorldPackets::Auth::WaitQueueUpdate::Write()
{
_worldPacket << WaitInfo;
return &_worldPacket;
}
namespace
{
std::string RSAPrivateKey = R"(-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
)";
std::unique_ptr<Trinity::Crypto::RSA> ConnectToRSA;
}
bool WorldPackets::Auth::ConnectTo::InitializeEncryption()
{
std::unique_ptr<Trinity::Crypto::RSA> rsa = std::make_unique<Trinity::Crypto::RSA>();
if (!rsa->LoadFromString(RSAPrivateKey, Trinity::Crypto::RSA::PrivateKey{}))
return false;
ConnectToRSA = std::move(rsa);
return true;
}
WorldPackets::Auth::ConnectTo::ConnectTo() : ServerPacket(SMSG_CONNECT_TO, 256 + 1 + 16 + 2 + 4 + 1 + 8)
{
}
WorldPacket const* WorldPackets::Auth::ConnectTo::Write()
{
ByteBuffer whereBuffer;
whereBuffer << uint8(Payload.Where.Type);
switch (Payload.Where.Type)
{
case IPv4:
whereBuffer.append(Payload.Where.Address.V4.data(), Payload.Where.Address.V4.size());
break;
case IPv6:
whereBuffer.append(Payload.Where.Address.V6.data(), Payload.Where.Address.V6.size());
break;
case NamedSocket:
whereBuffer << Payload.Where.Address.Name.data();
break;
default:
break;
}
uint32 type = Payload.Where.Type;
SHA256Hash hash;
hash.UpdateData(whereBuffer.contents(), whereBuffer.size());
hash.UpdateData(reinterpret_cast<uint8 const*>(&type), 4);
hash.UpdateData(reinterpret_cast<uint8 const*>(&Payload.Port), 2);
hash.Finalize();
ConnectToRSA->Sign(hash.GetDigest(), hash.GetLength(), Payload.Signature.data(), Trinity::Crypto::RSA::SHA256{});
_worldPacket.append(Payload.Signature.data(), Payload.Signature.size());
_worldPacket.append(whereBuffer);
_worldPacket << uint16(Payload.Port);
_worldPacket << uint32(Serial);
_worldPacket << uint8(Con);
_worldPacket << uint64(Key);
return &_worldPacket;
}
void WorldPackets::Auth::AuthContinuedSession::Read()
{
_worldPacket >> DosResponse;
_worldPacket >> Key;
_worldPacket.read(LocalChallenge.data(), LocalChallenge.size());
_worldPacket.read(Digest.data(), Digest.size());
}
void WorldPackets::Auth::ConnectToFailed::Read()
{
Serial = _worldPacket.read<ConnectToSerial>();
_worldPacket >> Con;
}
uint8 constexpr EnableEncryptionSeed[16] = { 0x90, 0x9C, 0xD0, 0x50, 0x5A, 0x2C, 0x14, 0xDD, 0x5C, 0x2C, 0xC0, 0x64, 0x14, 0xF3, 0xFE, 0xC9 };
WorldPacket const* WorldPackets::Auth::EnableEncryption::Write()
{
HmacSha256 hash(16, EncryptionKey);
hash.UpdateData(reinterpret_cast<uint8 const*>(&Enabled), 1);
hash.UpdateData(EnableEncryptionSeed, 16);
hash.Finalize();
_worldPacket.resize(_worldPacket.size() + ConnectToRSA->GetOutputSize());
ConnectToRSA->Sign(hash.GetDigest(), hash.GetLength(), _worldPacket.contents(), Trinity::Crypto::RSA::SHA256{});
_worldPacket.WriteBit(Enabled);
_worldPacket.FlushBits();
return &_worldPacket;
}