void WardenWin::RequestData()
{
sLog->outDebug(LOG_FILTER_WARDEN, "Request data");
// If all checks were done, fill the todo list again
if (_memChecksTodo.empty())
_memChecksTodo.assign(sWardenCheckMgr->MemChecksIdPool.begin(), sWardenCheckMgr->MemChecksIdPool.end());
if (_otherChecksTodo.empty())
_otherChecksTodo.assign(sWardenCheckMgr->OtherChecksIdPool.begin(), sWardenCheckMgr->OtherChecksIdPool.end());
_serverTicks = getMSTime();
uint32 id;
uint8 type;
WardenCheck* wd;
_currentChecks.clear();
// Build check request
for (uint32 i = 0; i < sWorld->getIntConfig(CONFIG_WARDEN_NUM_MEM_CHECKS); ++i)
{
// If todo list is done break loop (will be filled on next Update() run)
if (_memChecksTodo.empty())
break;
// Get check id from the end and remove it from todo
id = _memChecksTodo.back();
_memChecksTodo.pop_back();
// Add the id to the list sent in this cycle
_currentChecks.push_back(id);
}
ByteBuffer buff;
buff << uint8(WARDEN_SMSG_CHEAT_CHECKS_REQUEST);
for (uint32 i = 0; i < sWorld->getIntConfig(CONFIG_WARDEN_NUM_OTHER_CHECKS); ++i)
{
// If todo list is done break loop (will be filled on next Update() run)
if (_otherChecksTodo.empty())
break;
// Get check id from the end and remove it from todo
id = _otherChecksTodo.back();
_otherChecksTodo.pop_back();
// Add the id to the list sent in this cycle
_currentChecks.push_back(id);
wd = sWardenCheckMgr->GetWardenDataById(id);
switch (wd->Type)
{
case MPQ_CHECK:
case LUA_STR_CHECK:
case DRIVER_CHECK:
buff << uint8(wd->Str.size());
buff.append(wd->Str.c_str(), wd->Str.size());
break;
default:
break;
}
}
uint8 xorByte = _inputKey[0];
// Add TIMING_CHECK
buff << uint8(0x00);
buff << uint8(TIMING_CHECK ^ xorByte);
uint8 index = 1;
for (std::list<uint16>::iterator itr = _currentChecks.begin(); itr != _currentChecks.end(); ++itr)
{
wd = sWardenCheckMgr->GetWardenDataById(*itr);
type = wd->Type;
buff << uint8(type ^ xorByte);
switch (type)
{
case MEM_CHECK:
{
buff << uint8(0x00);
buff << uint32(wd->Address);
buff << uint8(wd->Length);
break;
}
case PAGE_CHECK_A:
case PAGE_CHECK_B:
{
buff.append(wd->Data.AsByteArray(0, false), wd->Data.GetNumBytes());
buff << uint32(wd->Address);
buff << uint8(wd->Length);
break;
}
case MPQ_CHECK:
case LUA_STR_CHECK:
{
buff << uint8(index++);
break;
}
case DRIVER_CHECK:
{
buff.append(wd->Data.AsByteArray(0, false), wd->Data.GetNumBytes());
buff << uint8(index++);
break;
}
case MODULE_CHECK:
{
uint32 seed = static_cast<uint32>(rand32());
buff << uint32(seed);
HmacHash hmac(4, (uint8*)&seed);
hmac.UpdateData(wd->Str);
hmac.Finalize();
buff.append(hmac.GetDigest(), hmac.GetLength());
break;
}
/*case PROC_CHECK:
{
buff.append(wd->i.AsByteArray(0, false), wd->i.GetNumBytes());
buff << uint8(index++);
buff << uint8(index++);
buff << uint32(wd->Address);
buff << uint8(wd->Length);
break;
}*/
default:
break; // Should never happen
}
}
buff << uint8(xorByte);
buff.hexlike();
// Encrypt with warden RC4 key
EncryptData(const_cast<uint8*>(buff.contents()), buff.size());
WorldPacket pkt(SMSG_WARDEN_DATA, buff.size());
pkt.append(buff);
_session->SendPacket(&pkt);
_dataSent = true;
std::stringstream stream;
stream << "Sent check id's: ";
for (std::list<uint16>::iterator itr = _currentChecks.begin(); itr != _currentChecks.end(); ++itr)
stream << *itr << " ";
sLog->outWarden(stream.str().c_str());
}
/// Logon Challenge command handler
bool AuthSocket::_HandleLogonChallenge()
{
DEBUG_LOG("Entering _HandleLogonChallenge");
if (socket().recv_len() < sizeof(sAuthLogonChallenge_C))
return false;
///- Read the first 4 bytes (header) to get the length of the remaining of the packet
std::vector<uint8> buf;
buf.resize(4);
socket().recv((char *)&buf[0], 4);
EndianConvert(*((uint16*)(buf[0])));
uint16 remaining = ((sAuthLogonChallenge_C *)&buf[0])->size;
DEBUG_LOG("[AuthChallenge] got header, body is %#04x bytes", remaining);
if ((remaining < sizeof(sAuthLogonChallenge_C) - buf.size()) || (socket().recv_len() < remaining))
return false;
//No big fear of memory outage (size is int16, i.e. < 65536)
buf.resize(remaining + buf.size() + 1);
buf[buf.size() - 1] = 0;
sAuthLogonChallenge_C *ch = (sAuthLogonChallenge_C*)&buf[0];
// BigEndian code, nop in little endian case
// size already converted
EndianConvert(*((uint32*)(&ch->gamename[0])));
EndianConvert(ch->build);
EndianConvert(*((uint32*)(&ch->platform[0])));
EndianConvert(*((uint32*)(&ch->os[0])));
EndianConvert(*((uint32*)(&ch->country[0])));
EndianConvert(ch->timezone_bias);
EndianConvert(ch->ip);
///- Read the remaining of the packet
socket().recv((char *)&buf[4], remaining);
DEBUG_LOG("[AuthChallenge] got full packet, %#04x bytes", ch->size);
DEBUG_LOG("[AuthChallenge] name(%d): '%s'", ch->I_len, ch->I);
ByteBuffer pkt;
_login = (const char*)ch->I;
_build = ch->build;
_expversion = (AuthHelper::IsPostBCAcceptedClientBuild(_build) ? POST_BC_EXP_FLAG : NO_VALID_EXP_FLAG) + (AuthHelper::IsPreBCAcceptedClientBuild(_build) ? PRE_BC_EXP_FLAG : NO_VALID_EXP_FLAG);
///- Normalize account name
//utf8ToUpperOnlyLatin(_login); -- client already send account in expected form
//Escape the user login to avoid further SQL injection
//Memory will be freed on AuthSocket object destruction
_safelogin = _login;
loginDatabase.escape_string(_safelogin);
_build = ch->build;
pkt << (uint8) AUTH_LOGON_CHALLENGE;
pkt << (uint8) 0x00;
///- Verify that this IP is not in the ip_banned table
// No SQL injection possible (paste the IP address as passed by the socket)
loginDatabase.Execute("DELETE FROM ip_banned WHERE unbandate<=UNIX_TIMESTAMP() AND unbandate<>bandate");
std::string address(socket().get_remote_address().c_str());
loginDatabase.escape_string(address);
QueryResult_AutoPtr result = loginDatabase.PQuery("SELECT * FROM ip_banned WHERE ip = '%s'",address.c_str());
if (result)
{
pkt << (uint8)REALM_AUTH_ACCOUNT_BANNED;
sLog.outBasic("[AuthChallenge] Banned ip %s tries to login!", address.c_str ());
}
else
{
///- Get the account details from the account table
// No SQL injection (escaped user name)
result = loginDatabase.PQuery("SELECT sha_pass_hash, id, locked,last_ip, gmlevel, v, s FROM account WHERE username = '******'", _safelogin.c_str ());
if (result)
{
///- If the IP is 'locked', check that the player comes indeed from the correct IP address
bool locked = false;
if ((*result)[2].GetUInt8() == 1) // if ip is locked
{
DEBUG_LOG("[AuthChallenge] Account '%s' is locked to IP - '%s'", _login.c_str(), (*result)[3].GetString());
DEBUG_LOG("[AuthChallenge] Player address is '%s'", socket().get_remote_address().c_str());
if (strcmp((*result)[3].GetString(),socket().get_remote_address().c_str()))
{
DEBUG_LOG("[AuthChallenge] Account IP differs");
pkt << (uint8) REALM_AUTH_ACCOUNT_FREEZED;
locked=true;
}
else
DEBUG_LOG("[AuthChallenge] Account IP matches");
}
else
DEBUG_LOG("[AuthChallenge] Account '%s' is not locked to ip", _login.c_str());
if (!locked)
{
//set expired bans to inactive
loginDatabase.Execute("UPDATE account_banned SET active = 0 WHERE unbandate<=UNIX_TIMESTAMP() AND unbandate<>bandate");
///- If the account is banned, reject the logon attempt
QueryResult_AutoPtr banresult = loginDatabase.PQuery("SELECT bandate,unbandate FROM account_banned WHERE id = %u AND active = 1", (*result)[1].GetUInt32());
if (banresult)
{
if ((*banresult)[0].GetUInt64() == (*banresult)[1].GetUInt64())
{
pkt << (uint8) REALM_AUTH_ACCOUNT_BANNED;
sLog.outBasic("[AuthChallenge] Banned account %s tries to login!",_login.c_str ());
}
else
{
pkt << (uint8) REALM_AUTH_ACCOUNT_FREEZED;
sLog.outBasic("[AuthChallenge] Temporarily banned account %s tries to login!",_login.c_str ());
}
}
else
{
///- Get the password from the account table, upper it, and make the SRP6 calculation
std::string rI = (*result)[0].GetCppString();
///- Don't calculate (v, s) if there are already some in the database
std::string databaseV = (*result)[5].GetCppString();
std::string databaseS = (*result)[6].GetCppString();
sLog.outDebug("database authentication values: v='%s' s='%s'", databaseV.c_str(), databaseS.c_str());
// multiply with 2, bytes are stored as hexstring
if (databaseV.size() != s_BYTE_SIZE*2 || databaseS.size() != s_BYTE_SIZE*2)
_SetVSFields(rI);
else
{
s.SetHexStr(databaseS.c_str());
v.SetHexStr(databaseV.c_str());
}
b.SetRand(19 * 8);
BigNumber gmod = g.ModExp(b, N);
B = ((v * 3) + gmod) % N;
ASSERT(gmod.GetNumBytes() <= 32);
BigNumber unk3;
unk3.SetRand(16 * 8);
///- Fill the response packet with the result
pkt << uint8(REALM_AUTH_SUCCESS);
// B may be calculated < 32B so we force minimal length to 32B
pkt.append(B.AsByteArray(32), 32); // 32 bytes
pkt << uint8(1);
pkt.append(g.AsByteArray(), 1);
pkt << uint8(32);
pkt.append(N.AsByteArray(32), 32);
pkt.append(s.AsByteArray(), s.GetNumBytes()); // 32 bytes
pkt.append(unk3.AsByteArray(16), 16);
uint8 securityFlags = 0;
pkt << uint8(securityFlags); // security flags (0x0...0x04)
if (securityFlags & REALM_AUTH_FAILURE) // PIN input
{
pkt << uint32(0);
pkt << uint64(0) << uint64(0); // 16 bytes hash?
}
if (securityFlags & REALM_AUTH_UNKNOWN1) // Matrix input
{
pkt << uint8(0);
pkt << uint8(0);
pkt << uint8(0);
pkt << uint8(0);
pkt << uint64(0);
}
if (securityFlags & REALM_AUTH_NO_MATCH) // Security token input
pkt << uint8(1);
uint8 secLevel = (*result)[4].GetUInt8();
_accountSecurityLevel = secLevel <= SEC_ADMINISTRATOR ? AccountTypes(secLevel) : SEC_ADMINISTRATOR;
_localizationName.resize(4);
for (int i = 0; i < 4; ++i)
_localizationName[i] = ch->country[4-i-1];
sLog.outBasic("[AuthChallenge] account %s is using '%c%c%c%c' locale (%u)", _login.c_str (), ch->country[3], ch->country[2], ch->country[1], ch->country[0], GetLocaleByName(_localizationName));
}
}
}
else //no account
{
pkt<< (uint8) REALM_AUTH_NO_MATCH;
}
}
socket().send((char const*)pkt.contents(), pkt.size());
return true;
}
/// %Realm List command handler
bool AuthSocket::_HandleRealmList()
{
DEBUG_LOG("Entering _HandleRealmList");
if (socket().recv_len() < 5)
return false;
socket().recv_skip(5);
///- Get the user id (else close the connection)
// No SQL injection (escaped user name)
QueryResult_AutoPtr result = loginDatabase.PQuery("SELECT id,sha_pass_hash FROM account WHERE username = '******'",_safelogin.c_str());
if (!result)
{
sLog.outError("[ERROR] user %s tried to login and we cannot find him in the database.",_login.c_str());
socket().shutdown();
return false;
}
uint32 id = (*result)[0].GetUInt32();
std::string rI = (*result)[1].GetCppString();
///- Update realm list if need
m_realmList.UpdateIfNeed();
RealmList::RealmMap::const_iterator rlm;
RealmList built_realmList;
for (rlm = m_realmList.begin(); rlm != m_realmList.end(); ++rlm)
{
if ( _expversion & POST_BC_EXP_FLAG )//2.4.3 and 3.1.3 cliens
{
if (rlm->second.gamebuild == _build)
built_realmList.AddRealm(rlm->second);
}
else if ( _expversion & PRE_BC_EXP_FLAG )//1.12.1 and 1.12.2 clients are compatible with eachother
{
if ( AuthHelper::IsPreBCAcceptedClientBuild ( rlm->second.gamebuild ) )
built_realmList.AddRealm(rlm->second);
}
}
///- Circle through realms in the RealmList and construct the return packet (including # of user characters in each realm)
ByteBuffer pkt;
pkt << (uint32) 0;
if ( _expversion & POST_BC_EXP_FLAG )//only 2.4.3 and 3.1.3 cliens
pkt << (uint16) built_realmList.size();
else
pkt << (uint32) built_realmList.size();
RealmList::RealmMap::const_iterator i;
for (i = built_realmList.begin(); i != built_realmList.end(); ++i)
{
uint8 AmountOfCharacters;
// No SQL injection. id of realm is controlled by the database.
result = loginDatabase.PQuery("SELECT numchars FROM realmcharacters WHERE realmid = '%d' AND acctid='%u'",i->second.m_ID,id);
if (result)
{
Field *fields = result->Fetch();
AmountOfCharacters = fields[0].GetUInt8();
}
else
AmountOfCharacters = 0;
uint8 lock = (i->second.allowedSecurityLevel > _accountSecurityLevel) ? 1 : 0;
pkt << i->second.icon; // realm type
if ( _expversion & POST_BC_EXP_FLAG )//only 2.4.3 and 3.1.3 cliens
pkt << lock; // if 1, then realm locked
pkt << i->second.color; // if 2, then realm is offline
pkt << i->first;
pkt << i->second.address;
pkt << i->second.populationLevel;
pkt << AmountOfCharacters;
pkt << i->second.timezone; // realm category
if ( _expversion & POST_BC_EXP_FLAG )//2.4.3 and 3.1.3 clients
pkt << (uint8) 0x2C; // unk, may be realm number/id?
else
pkt << (uint8) 0x0; //1.12.1 and 1.12.2 clients
}
if ( _expversion & POST_BC_EXP_FLAG )//2.4.3 and 3.1.3 cliens
{
pkt << (uint8) 0x10;
pkt << (uint8) 0x00;
}else{//1.12.1 and 1.12.2 clients
pkt << (uint8) 0x00;
pkt << (uint8) 0x02;
}
ByteBuffer hdr;
hdr << (uint8) REALM_LIST;
hdr << (uint16)pkt.size();
hdr.append(pkt);
socket().send((char const*)hdr.contents(), hdr.size());
return true;
}
void FastGUIDPack(ByteBuffer & buf, const uint64 & oldguid)
{
if( &oldguid == NULL )
return;
// hehe speed freaks
uint8 guidmask = 0;
uint8 guidfields[9] = {0,0,0,0,0,0,0,0};
int j = 1;
uint8 * test = (uint8*)&oldguid;
if (*test) //7*8
{
guidfields[j] = *test;
guidmask |= 1;
j++;
}
if (*(test+1)) //6*8
{
guidfields[j] = *(test+1);
guidmask |= 2;
j++;
}
if (*(test+2)) //5*8
{
guidfields[j] = *(test+2);
guidmask |= 4;
j++;
}
if (*(test+3)) //4*8
{
guidfields[j] = *(test+3);
guidmask |= 8;
j++;
}
if (*(test+4)) //3*8
{
guidfields[j] = *(test+4);
guidmask |= 16;
j++;
}
if (*(test+5))//2*8
{
guidfields[j] = *(test+5);
guidmask |= 32;
j++;
}
if (*(test+6))//1*8
{
guidfields[j] = *(test+6);
guidmask |= 64;
j++;
}
if (*(test+7)) //0*8
{
guidfields[j] = *(test+7);
guidmask |= 128;
j++;
}
guidfields[0] = guidmask;
buf.append(guidfields,j);
}
/// Logon Challenge command handler
bool AuthSocket::_HandleLogonChallenge()
{
DEBUG_LOG("Entering _HandleLogonChallenge");
if (recv_len() < sizeof(sAuthLogonChallenge_C))
return false;
///- Read the first 4 bytes (header) to get the length of the remaining of the packet
std::vector<uint8> buf;
buf.resize(4);
recv((char *)&buf[0], 4);
EndianConvert(*((uint16*)(buf[0])));
uint16 remaining = ((sAuthLogonChallenge_C *)&buf[0])->size;
DEBUG_LOG("[AuthChallenge] got header, body is %#04x bytes", remaining);
if ((remaining < sizeof(sAuthLogonChallenge_C) - buf.size()) || (recv_len() < remaining))
return false;
//No big fear of memory outage (size is int16, i.e. < 65536)
buf.resize(remaining + buf.size() + 1);
buf[buf.size() - 1] = 0;
sAuthLogonChallenge_C *ch = (sAuthLogonChallenge_C*)&buf[0];
///- Read the remaining of the packet
recv((char *)&buf[4], remaining);
DEBUG_LOG("[AuthChallenge] got full packet, %#04x bytes", ch->size);
DEBUG_LOG("[AuthChallenge] name(%d): '%s'", ch->I_len, ch->I);
// BigEndian code, nop in little endian case
// size already converted
EndianConvert(*((uint32*)(&ch->gamename[0])));
EndianConvert(ch->build);
EndianConvert(*((uint32*)(&ch->platform[0])));
EndianConvert(*((uint32*)(&ch->os[0])));
EndianConvert(*((uint32*)(&ch->country[0])));
EndianConvert(ch->timezone_bias);
EndianConvert(*((uint32*)(&ch->ip[0])));
std::stringstream tmpLocalIp;
tmpLocalIp << (uint32)ch->ip[0] << "." << (uint32)ch->ip[1] << "." << (uint32)ch->ip[2] << "." << (uint32)ch->ip[3];
localIp_ = tmpLocalIp.str();
ByteBuffer pkt;
_login = (const char*)ch->I;
_build = ch->build;
operatingSystem_ = (const char*)ch->os;
// Restore string order as its byte order is reversed
std::reverse(operatingSystem_.begin(), operatingSystem_.end());
if (operatingSystem_.size() > 4 || (operatingSystem_ != "Win" && operatingSystem_ != "OSX" && (sRealmList.ChatboxOsName == "" || operatingSystem_ != sRealmList.ChatboxOsName))){
sLog.outLog(LOG_WARDEN, "Client %s got unsupported operating system (%s)", _login.c_str(), operatingSystem_.c_str());
return false;
}
///- Normalize account name
//utf8ToUpperOnlyLatin(_login); -- client already send account in expected form
//Escape the user login to avoid further SQL injection
//Memory will be freed on AuthSocket object destruction
_safelogin = _login;
AccountsDatabase.escape_string(_safelogin);
pkt << (uint8) CMD_AUTH_LOGON_CHALLENGE;
pkt << (uint8) 0x00;
std::string address = get_remote_address();
#ifdef REGEX_NAMESPACE
for (PatternList::const_iterator i = pattern_banned.begin(); i != pattern_banned.end(); ++i)
{
if (REGEX_NAMESPACE::regex_match(address.c_str(), i->first) && REGEX_NAMESPACE::regex_match(localIp_.c_str(), i->second))
{
pkt<< (uint8) WOW_FAIL_UNKNOWN_ACCOUNT;
send((char const*)pkt.contents(), pkt.size());
return true;
}
}
#endif
///- Verify that this IP is not in the ip_banned table
// No SQL injection possible (paste the IP address as passed by the socket)
AccountsDatabase.Execute("DELETE FROM ip_banned WHERE unbandate<=UNIX_TIMESTAMP() AND unbandate<>bandate");
AccountsDatabase.escape_string(address);
//Delete ViP
AccountsDatabase.Execute("UPDATE account_permissions SET permission_mask = 1 WHERE unsetdate<=UNIX_TIMESTAMP() AND unsetdate<>setdate");
QueryResultAutoPtr result = AccountsDatabase.PQuery("SELECT * FROM ip_banned WHERE ip = '%s'", address.c_str());
if (result) // ip banned
{
sLog.outBasic("[AuthChallenge] Banned ip %s tries to login!", get_remote_address().c_str());
pkt << uint8(WOW_FAIL_BANNED);
send((char const*)pkt.contents(), pkt.size());
return true;
}
///- Get the account details from the account table
// No SQL injection (escaped user name)
result = AccountsDatabase.PQuery("SELECT pass_hash, account.account_id, account_state_id, last_ip, permission_mask, email "
"FROM account JOIN account_permissions ON account.account_id = account_permissions.account_id "
"WHERE username = '******'", _safelogin.c_str());
if (!result) // account not exists
{
pkt<< uint8(WOW_FAIL_UNKNOWN_ACCOUNT);
send((char const*)pkt.contents(), pkt.size());
return true;
}
Field * fields = result->Fetch();
///- If the IP is 'locked', check that the player comes indeed from the correct IP address
switch (fields[2].GetUInt8())
{
case ACCOUNT_STATE_IP_LOCKED:
{
DEBUG_LOG("[AuthChallenge] Account '%s' is locked to IP - '%s'", _login.c_str(), (*result)[3].GetString());
DEBUG_LOG("[AuthChallenge] Player address is '%s'", get_remote_address().c_str());
if (strcmp(fields[4].GetString(), get_remote_address().c_str()))
{
DEBUG_LOG("[AuthChallenge] Account IP differs");
pkt << (uint8) WOW_FAIL_LOCKED_ENFORCED;
send((char const*)pkt.contents(), pkt.size());
return true;
}
else
{
DEBUG_LOG("[AuthChallenge] Account IP matches");
}
break;
}
case ACCOUNT_STATE_FROZEN:
{
pkt << uint8(WOW_FAIL_SUSPENDED);
send((char const*)pkt.contents(), pkt.size());
return true;
}
default:
DEBUG_LOG("[AuthChallenge] Account '%s' is not locked to ip or frozen", _login.c_str());
break;
}
///- If the account is banned, reject the logon attempt
QueryResultAutoPtr banresult = AccountsDatabase.PQuery("SELECT punishment_date, expiration_date "
"FROM account_punishment "
"WHERE account_id = '%u' AND punishment_type_id = '%u' AND (punishment_date = expiration_date OR expiration_date > UNIX_TIMESTAMP())", (*result)[1].GetUInt32(), PUNISHMENT_BAN);
if (banresult)
{
if((*banresult)[0].GetUInt64() == (*banresult)[1].GetUInt64())
{
pkt << uint8(WOW_FAIL_BANNED);
sLog.outBasic("[AuthChallenge] Banned account %s tries to login!", _login.c_str ());
}
else
{
pkt << uint8(WOW_FAIL_SUSPENDED);
sLog.outBasic("[AuthChallenge] Temporarily banned account %s tries to login!", _login.c_str ());
}
send((char const*)pkt.contents(), pkt.size());
return true;
}
QueryResultAutoPtr emailbanresult = AccountsDatabase.PQuery("SELECT email FROM email_banned WHERE email = '%s'", (*result)[5].GetString());
if (emailbanresult)
{
pkt << uint8(WOW_FAIL_BANNED);
sLog.outBasic("[AuthChallenge] Account %s with banned email %s tries to login!", _login.c_str (), (*emailbanresult)[0].GetString());
send((char const*)pkt.contents(), pkt.size());
return true;
}
///- Get the password from the account table, upper it, and make the SRP6 calculation
std::string rI = fields[0].GetCppString();
_SetVSFields(rI);
b.SetRand(19 * 8);
BigNumber gmod = g.ModExp(b, N);
B = ((v * 3) + gmod) % N;
ASSERT(gmod.GetNumBytes() <= 32);
BigNumber unk3;
unk3.SetRand(16 * 8);
///- Fill the response packet with the result
pkt << uint8(WOW_SUCCESS);
// B may be calculated < 32B so we force minimal length to 32B
pkt.append(B.AsByteArray(32), 32); // 32 bytes
pkt << uint8(1);
pkt.append(g.AsByteArray(), 1);
pkt << uint8(32);
pkt.append(N.AsByteArray(32), 32);
pkt.append(s.AsByteArray(), s.GetNumBytes());// 32 bytes
pkt.append(unk3.AsByteArray(16), 16);
uint8 securityFlags = 0;
pkt << uint8(securityFlags); // security flags (0x0...0x04)
if (securityFlags & 0x01) // PIN input
{
pkt << uint32(0);
pkt << uint64(0) << uint64(0); // 16 bytes hash?
}
if (securityFlags & 0x02) // Matrix input
{
pkt << uint8(0);
pkt << uint8(0);
pkt << uint8(0);
pkt << uint8(0);
pkt << uint64(0);
}
if (securityFlags & 0x04) // Security token input
pkt << uint8(1);
accountPermissionMask_ = fields[4].GetUInt64();
_localizationName.resize(4);
for (int i = 0; i < 4; ++i)
_localizationName[i] = ch->country[4-i-1];
sLog.outBasic("[AuthChallenge] account %s is using '%c%c%c%c' locale (%u)", _login.c_str (), ch->country[3], ch->country[2], ch->country[1], ch->country[0], GetLocaleByName(_localizationName));
send((char const*)pkt.contents(), pkt.size());
return true;
}
// Reconnect Challenge command handler
bool AuthSocket::_HandleReconnectChallenge()
{
sLog->outStaticDebug("Entering _HandleReconnectChallenge");
if (socket().recv_len() < sizeof(sAuthLogonChallenge_C))
return false;
// Read the first 4 bytes (header) to get the length of the remaining of the packet
std::vector<uint8> buf;
buf.resize(4);
socket().recv((char *)&buf[0], 4);
#if TRINITY_ENDIAN == TRINITY_BIGENDIAN
EndianConvert(*((uint16*)(buf[0])));
#endif
uint16 remaining = ((sAuthLogonChallenge_C *)&buf[0])->size;
sLog->outStaticDebug("[ReconnectChallenge] got header, body is %#04x bytes", remaining);
if ((remaining < sizeof(sAuthLogonChallenge_C) - buf.size()) || (socket().recv_len() < remaining))
return false;
// No big fear of memory outage (size is int16, i.e. < 65536)
buf.resize(remaining + buf.size() + 1);
buf[buf.size() - 1] = 0;
sAuthLogonChallenge_C *ch = (sAuthLogonChallenge_C*)&buf[0];
// Read the remaining of the packet
socket().recv((char *)&buf[4], remaining);
sLog->outStaticDebug("[ReconnectChallenge] got full packet, %#04x bytes", ch->size);
sLog->outStaticDebug("[ReconnectChallenge] name(%d): '%s'", ch->I_len, ch->I);
_login = (const char*)ch->I;
PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_GET_SESSIONKEY);
stmt->setString(0, _login);
PreparedQueryResult result = LoginDatabase.Query(stmt);
// Stop if the account is not found
if (!result)
{
sLog->outError("[ERROR] user %s tried to login and we cannot find his session key in the database.", _login.c_str());
socket().shutdown();
return false;
}
// Reinitialize build, expansion and the account securitylevel
_build = ch->build;
_os = (const char*)ch->os;
if(_os.size() > 4)
return false;
_expversion = (AuthHelper::IsPostBCAcceptedClientBuild(_build) ? POST_BC_EXP_FLAG : NO_VALID_EXP_FLAG) | (AuthHelper::IsPreBCAcceptedClientBuild(_build) ? PRE_BC_EXP_FLAG : NO_VALID_EXP_FLAG);
Field* fields = result->Fetch();
uint8 secLevel = fields[2].GetUInt8();
_accountSecurityLevel = secLevel <= SEC_ADMINISTRATOR ? AccountTypes(secLevel) : SEC_ADMINISTRATOR;
K.SetHexStr ((*result)[0].GetCString());
// Sending response
ByteBuffer pkt;
pkt << (uint8)AUTH_RECONNECT_CHALLENGE;
pkt << (uint8)0x00;
_reconnectProof.SetRand(16 * 8);
pkt.append(_reconnectProof.AsByteArray(16), 16); // 16 bytes random
pkt << (uint64)0x00 << (uint64)0x00; // 16 bytes zeros
socket().send((char const*)pkt.contents(), pkt.size());
return true;
}
// Realm List command handler
bool AuthSocket::_HandleRealmList()
{
sLog->outStaticDebug("Entering _HandleRealmList");
if (socket().recv_len() < 5)
return false;
socket().recv_skip(5);
// Get the user id (else close the connection)
// No SQL injection (prepared statement)
PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_GET_ACCIDBYNAME);
stmt->setString(0, _login);
PreparedQueryResult result = LoginDatabase.Query(stmt);
if (!result)
{
sLog->outError("[ERROR] user %s tried to login and we cannot find him in the database.", _login.c_str());
socket().shutdown();
return false;
}
Field* fields = result->Fetch();
uint32 id = fields[0].GetUInt32();
// Update realm list if need
sRealmList->UpdateIfNeed();
// Circle through realms in the RealmList and construct the return packet (including # of user characters in each realm)
ByteBuffer pkt;
size_t RealmListSize = 0;
for (RealmList::RealmMap::const_iterator i = sRealmList->begin(); i != sRealmList->end(); ++i)
{
// don't work with realms which not compatible with the client
if ((_expversion & POST_BC_EXP_FLAG) && i->second.gamebuild != _build)
continue;
else if ((_expversion & PRE_BC_EXP_FLAG) && !AuthHelper::IsPreBCAcceptedClientBuild(i->second.gamebuild))
continue;
uint8 AmountOfCharacters;
// No SQL injection. id of realm is controlled by the database.
stmt = LoginDatabase.GetPreparedStatement(LOGIN_GET_NUMCHARSONREALM);
stmt->setUInt32(0, i->second.m_ID);
stmt->setUInt32(1, id);
result = LoginDatabase.Query(stmt);
if (result)
AmountOfCharacters = (*result)[0].GetUInt8();
else
AmountOfCharacters = 0;
uint8 lock = (i->second.allowedSecurityLevel > _accountSecurityLevel) ? 1 : 0;
pkt << i->second.icon; // realm type
if ( _expversion & POST_BC_EXP_FLAG ) // only 2.x and 3.x clients
pkt << lock; // if 1, then realm locked
pkt << i->second.color; // if 2, then realm is offline
pkt << i->first;
pkt << i->second.address;
pkt << i->second.populationLevel;
pkt << AmountOfCharacters;
pkt << i->second.timezone; // realm category
if (_expversion & POST_BC_EXP_FLAG) // 2.x and 3.x clients
pkt << (uint8)0x2C; // unk, may be realm number/id?
else
pkt << (uint8)0x0; // 1.12.1 and 1.12.2 clients
++RealmListSize;
}
if ( _expversion & POST_BC_EXP_FLAG ) // 2.x and 3.x clients
{
pkt << (uint8)0x10;
pkt << (uint8)0x00;
}
else // 1.12.1 and 1.12.2 clients
{
pkt << (uint8)0x00;
pkt << (uint8)0x02;
}
// make a ByteBuffer which stores the RealmList's size
ByteBuffer RealmListSizeBuffer;
RealmListSizeBuffer << (uint32)0;
if (_expversion & POST_BC_EXP_FLAG) // only 2.x and 3.x clients
RealmListSizeBuffer << (uint16)RealmListSize;
else
RealmListSizeBuffer << (uint32)RealmListSize;
ByteBuffer hdr;
hdr << (uint8) REALM_LIST;
hdr << (uint16)(pkt.size() + RealmListSizeBuffer.size());
hdr.append(RealmListSizeBuffer); // append RealmList's size buffer
hdr.append(pkt); // append realms in the realmlist
socket().send((char const*)hdr.contents(), hdr.size());
return true;
}
// Realm List command handler
bool AuthSocket::_HandleRealmList()
{
TC_LOG_DEBUG(LOG_FILTER_AUTHSERVER, "Entering _HandleRealmList");
if (socket().recv_len() < 5)
return false;
socket().recv_skip(5);
// Get the user id (else close the connection)
// No SQL injection (prepared statement)
PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_ACCOUNT_ID_BY_NAME);
stmt->setString(0, _login);
PreparedQueryResult result = LoginDatabase.Query(stmt);
if (!result)
{
TC_LOG_ERROR(LOG_FILTER_AUTHSERVER, "'%s:%d' [ERROR] user %s tried to login but we cannot find him in the database.", socket().getRemoteAddress().c_str(), socket().getRemotePort(), _login.c_str());
socket().shutdown();
return false;
}
Field* fields = result->Fetch();
uint32 id = fields[0].GetUInt32();
// Update realm list if need
sRealmList->UpdateIfNeed();
ACE_INET_Addr clientAddr;
socket().peer().get_remote_addr(clientAddr);
// Circle through realms in the RealmList and construct the return packet (including # of user characters in each realm)
ByteBuffer pkt;
size_t RealmListSize = 0;
for (RealmList::RealmMap::const_iterator i = sRealmList->begin(); i != sRealmList->end(); ++i)
{
const Realm &realm = i->second;
// don't work with realms which not compatible with the client
bool okBuild = ((_expversion & POST_BC_EXP_FLAG) && realm.gamebuild == _build) || ((_expversion & PRE_BC_EXP_FLAG) && !AuthHelper::IsPreBCAcceptedClientBuild(realm.gamebuild));
// No SQL injection. id of realm is controlled by the database.
uint32 flag = realm.flag;
RealmBuildInfo const* buildInfo = AuthHelper::GetBuildInfo(realm.gamebuild);
if (!okBuild)
{
if (!buildInfo)
continue;
flag |= REALM_FLAG_OFFLINE | REALM_FLAG_SPECIFYBUILD; // tell the client what build the realm is for
}
if (!buildInfo)
flag &= ~REALM_FLAG_SPECIFYBUILD;
std::string name = i->first;
if (_expversion & PRE_BC_EXP_FLAG && flag & REALM_FLAG_SPECIFYBUILD)
{
std::ostringstream ss;
ss << name << " (" << buildInfo->MajorVersion << '.' << buildInfo->MinorVersion << '.' << buildInfo->BugfixVersion << ')';
name = ss.str();
}
// We don't need the port number from which client connects with but the realm's port
clientAddr.set_port_number(realm.ExternalAddress.get_port_number());
uint8 lock = (realm.allowedSecurityLevel > _accountSecurityLevel) ? 1 : 0;
uint8 AmountOfCharacters = 0;
stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_NUM_CHARS_ON_REALM);
stmt->setUInt32(0, realm.m_ID);
stmt->setUInt32(1, id);
result = LoginDatabase.Query(stmt);
if (result)
AmountOfCharacters = (*result)[0].GetUInt8();
pkt << realm.icon; // realm type
if (_expversion & POST_BC_EXP_FLAG) // only 2.x and 3.x clients
pkt << lock; // if 1, then realm locked
pkt << uint8(flag); // RealmFlags
pkt << name;
pkt << GetAddressString(GetAddressForClient(realm, clientAddr));
pkt << realm.populationLevel;
pkt << AmountOfCharacters;
pkt << realm.timezone; // realm category
if (_expversion & POST_BC_EXP_FLAG) // 2.x and 3.x clients
pkt << uint8(0x2C); // unk, may be realm number/id?
else
pkt << uint8(0x0); // 1.12.1 and 1.12.2 clients
if (_expversion & POST_BC_EXP_FLAG && flag & REALM_FLAG_SPECIFYBUILD)
{
pkt << uint8(buildInfo->MajorVersion);
pkt << uint8(buildInfo->MinorVersion);
pkt << uint8(buildInfo->BugfixVersion);
pkt << uint16(buildInfo->Build);
}
++RealmListSize;
}
if (_expversion & POST_BC_EXP_FLAG) // 2.x and 3.x clients
{
pkt << uint8(0x10);
pkt << uint8(0x00);
}
else // 1.12.1 and 1.12.2 clients
{
pkt << uint8(0x00);
pkt << uint8(0x02);
}
// make a ByteBuffer which stores the RealmList's size
ByteBuffer RealmListSizeBuffer;
RealmListSizeBuffer << uint32(0);
if (_expversion & POST_BC_EXP_FLAG) // only 2.x and 3.x clients
RealmListSizeBuffer << uint16(RealmListSize);
else
RealmListSizeBuffer << uint32(RealmListSize);
ByteBuffer hdr;
hdr << uint8(REALM_LIST);
hdr << uint16(pkt.size() + RealmListSizeBuffer.size());
hdr.append(RealmListSizeBuffer); // append RealmList's size buffer
hdr.append(pkt); // append realms in the realmlist
socket().send((char const*)hdr.contents(), hdr.size());
return true;
}
// Logon Challenge command handler
bool AuthSocket::_HandleLogonChallenge()
{
sLog->outStaticDebug("Entering _HandleLogonChallenge");
if (socket().recv_len() < sizeof(sAuthLogonChallenge_C))
return false;
// Read the first 4 bytes (header) to get the length of the remaining of the packet
std::vector<uint8> buf;
buf.resize(4);
socket().recv((char *)&buf[0], 4);
#if TRINITY_ENDIAN == TRINITY_BIGENDIAN
EndianConvert(*((uint16*)(buf[0])));
#endif
uint16 remaining = ((sAuthLogonChallenge_C *)&buf[0])->size;
sLog->outStaticDebug("[AuthChallenge] got header, body is %#04x bytes", remaining);
if ((remaining < sizeof(sAuthLogonChallenge_C) - buf.size()) || (socket().recv_len() < remaining))
return false;
//No big fear of memory outage (size is int16, i.e. < 65536)
buf.resize(remaining + buf.size() + 1);
buf[buf.size() - 1] = 0;
sAuthLogonChallenge_C *ch = (sAuthLogonChallenge_C*)&buf[0];
// Read the remaining of the packet
socket().recv((char *)&buf[4], remaining);
sLog->outStaticDebug("[AuthChallenge] got full packet, %#04x bytes", ch->size);
sLog->outStaticDebug("[AuthChallenge] name(%d): '%s'", ch->I_len, ch->I);
// BigEndian code, nop in little endian case
// size already converted
#if TRINITY_ENDIAN == TRINITY_BIGENDIAN
EndianConvert(*((uint32*)(&ch->gamename[0])));
EndianConvert(ch->build);
EndianConvert(*((uint32*)(&ch->platform[0])));
EndianConvert(*((uint32*)(&ch->os[0])));
EndianConvert(*((uint32*)(&ch->country[0])));
EndianConvert(ch->timezone_bias);
EndianConvert(ch->ip);
#endif
ByteBuffer pkt;
_login = (const char*)ch->I;
_build = ch->build;
_os = (const char*)ch->os;
if(_os.size() > 4)
return false;
_expversion = (AuthHelper::IsPostBCAcceptedClientBuild(_build) ? POST_BC_EXP_FLAG : NO_VALID_EXP_FLAG) | (AuthHelper::IsPreBCAcceptedClientBuild(_build) ? PRE_BC_EXP_FLAG : NO_VALID_EXP_FLAG);
pkt << (uint8)AUTH_LOGON_CHALLENGE;
pkt << (uint8)0x00;
// Verify that this IP is not in the ip_banned table
LoginDatabase.Execute(LoginDatabase.GetPreparedStatement(LOGIN_SET_EXPIREDIPBANS));
const std::string& ip_address = socket().get_remote_address();
PreparedStatement *stmt = LoginDatabase.GetPreparedStatement(LOGIN_GET_IPBANNED);
stmt->setString(0, ip_address);
PreparedQueryResult result = LoginDatabase.Query(stmt);
if (result)
{
pkt << (uint8)WOW_FAIL_BANNED;
sLog->outBasic("[AuthChallenge] Banned ip %s tried to login!", ip_address.c_str());
}
else
{
// Get the account details from the account table
// No SQL injection (prepared statement)
stmt = LoginDatabase.GetPreparedStatement(LOGIN_GET_LOGONCHALLENGE);
stmt->setString(0, _login);
PreparedQueryResult res2 = LoginDatabase.Query(stmt);
if (res2)
{
Field* fields = res2->Fetch();
// If the IP is 'locked', check that the player comes indeed from the correct IP address
bool locked = false;
if (fields[2].GetUInt8() == 1) // if ip is locked
{
sLog->outStaticDebug("[AuthChallenge] Account '%s' is locked to IP - '%s'", _login.c_str(), fields[3].GetCString());
sLog->outStaticDebug("[AuthChallenge] Player address is '%s'", ip_address.c_str());
if (strcmp(fields[3].GetCString(), ip_address.c_str()))
{
sLog->outStaticDebug("[AuthChallenge] Account IP differs");
pkt << (uint8) WOW_FAIL_SUSPENDED;
locked = true;
}
else
sLog->outStaticDebug("[AuthChallenge] Account IP matches");
}
else
sLog->outStaticDebug("[AuthChallenge] Account '%s' is not locked to ip", _login.c_str());
if (!locked)
{
//set expired bans to inactive
LoginDatabase.Execute(LoginDatabase.GetPreparedStatement(LOGIN_SET_EXPIREDACCBANS));
// If the account is banned, reject the logon attempt
stmt = LoginDatabase.GetPreparedStatement(LOGIN_GET_ACCBANNED);
stmt->setUInt32(0, fields[1].GetUInt32());
PreparedQueryResult banresult = LoginDatabase.Query(stmt);
if (banresult)
{
if ((*banresult)[0].GetUInt64() == (*banresult)[1].GetUInt64())
{
pkt << (uint8)WOW_FAIL_BANNED;
sLog->outBasic("[AuthChallenge] Banned account %s tried to login!", _login.c_str());
}
else
{
pkt << (uint8)WOW_FAIL_SUSPENDED;
sLog->outBasic("[AuthChallenge] Temporarily banned account %s tried to login!", _login.c_str());
}
}
else
{
// Get the password from the account table, upper it, and make the SRP6 calculation
std::string rI = fields[0].GetString();
// Don't calculate (v, s) if there are already some in the database
std::string databaseV = fields[5].GetString();
std::string databaseS = fields[6].GetString();
sLog->outDebug(LOG_FILTER_NETWORKIO, "database authentication values: v='%s' s='%s'", databaseV.c_str(), databaseS.c_str());
// multiply with 2 since bytes are stored as hexstring
if (databaseV.size() != s_BYTE_SIZE * 2 || databaseS.size() != s_BYTE_SIZE * 2)
_SetVSFields(rI);
else
{
s.SetHexStr(databaseS.c_str());
v.SetHexStr(databaseV.c_str());
}
b.SetRand(19 * 8);
BigNumber gmod = g.ModExp(b, N);
B = ((v * 3) + gmod) % N;
ASSERT(gmod.GetNumBytes() <= 32);
BigNumber unk3;
unk3.SetRand(16 * 8);
// Fill the response packet with the result
pkt << uint8(WOW_SUCCESS);
// B may be calculated < 32B so we force minimal length to 32B
pkt.append(B.AsByteArray(32), 32); // 32 bytes
pkt << uint8(1);
pkt.append(g.AsByteArray(), 1);
pkt << uint8(32);
pkt.append(N.AsByteArray(32), 32);
pkt.append(s.AsByteArray(), s.GetNumBytes()); // 32 bytes
pkt.append(unk3.AsByteArray(16), 16);
uint8 securityFlags = 0;
pkt << uint8(securityFlags); // security flags (0x0...0x04)
if (securityFlags & 0x01) // PIN input
{
pkt << uint32(0);
pkt << uint64(0) << uint64(0); // 16 bytes hash?
}
if (securityFlags & 0x02) // Matrix input
{
pkt << uint8(0);
pkt << uint8(0);
pkt << uint8(0);
pkt << uint8(0);
pkt << uint64(0);
}
if (securityFlags & 0x04) // Security token input
pkt << uint8(1);
uint8 secLevel = fields[4].GetUInt8();
_accountSecurityLevel = secLevel <= SEC_ADMINISTRATOR ? AccountTypes(secLevel) : SEC_ADMINISTRATOR;
_localizationName.resize(4);
for (int i = 0; i < 4; ++i)
_localizationName[i] = ch->country[4-i-1];
sLog->outBasic("[AuthChallenge] account %s is using '%c%c%c%c' locale (%u)", _login.c_str (), ch->country[3], ch->country[2], ch->country[1], ch->country[0], GetLocaleByName(_localizationName));
}
}
}
else //no account
pkt << (uint8)WOW_FAIL_UNKNOWN_ACCOUNT;
}
socket().send((char const*)pkt.contents(), pkt.size());
return true;
}
/// %Realm List command handler
bool AuthSocket::_HandleRealmList()
{
DEBUG_LOG("Entering _HandleRealmList");
if (ibuf.GetLength() < 5)
return false;
ibuf.Remove(5);
///- Get the user id (else close the connection)
// No SQL injection (escaped user name)
QueryResult *result = loginDatabase.PQuery("SELECT id,sha_pass_hash FROM account WHERE username = '******'",_safelogin.c_str());
if(!result)
{
sLog.outError("[ERROR] user %s tried to login and we cannot find him in the database.",_login.c_str());
SetCloseAndDelete();
return false;
}
uint32 id = (*result)[0].GetUInt32();
std::string rI = (*result)[1].GetCppString();
delete result;
///- Update realm list if need
m_realmList.UpdateIfNeed();
///- Circle through realms in the RealmList and construct the return packet (including # of user characters in each realm)
ByteBuffer pkt;
pkt << (uint32) 0;
pkt << (uint16) m_realmList.size();
RealmList::RealmMap::const_iterator i;
for( i = m_realmList.begin(); i != m_realmList.end(); ++i )
{
uint8 AmountOfCharacters;
// No SQL injection. id of realm is controlled by the database.
result = loginDatabase.PQuery( "SELECT numchars FROM realmcharacters WHERE realmid = '%d' AND acctid='%u'",i->second.m_ID,id);
if( result )
{
Field *fields = result->Fetch();
AmountOfCharacters = fields[0].GetUInt8();
delete result;
}
else
AmountOfCharacters = 0;
uint8 lock = (i->second.allowedSecurityLevel > _accountSecurityLevel) ? 1 : 0;
pkt << i->second.icon; // realm type
pkt << lock; // if 1, then realm locked
pkt << i->second.color; // if 2, then realm is offline
pkt << i->first;
pkt << i->second.address;
pkt << i->second.populationLevel;
pkt << AmountOfCharacters;
pkt << i->second.timezone; // realm category
pkt << (uint8) 0x2C; // unk, may be realm number/id?
}
pkt << (uint8) 0x10;
pkt << (uint8) 0x00;
ByteBuffer hdr;
hdr << (uint8) REALM_LIST;
hdr << (uint16)pkt.size();
hdr.append(pkt);
SendBuf((char const*)hdr.contents(), hdr.size());
return true;
}
/// Logon Challenge command handler
bool AuthSocket::_HandleLogonChallenge()
{
DEBUG_LOG("Entering _HandleLogonChallenge");
if (ibuf.GetLength() < sizeof(sAuthLogonChallenge_C))
return false;
///- Read the first 4 bytes (header) to get the length of the remaining of the packet
std::vector<uint8> buf;
buf.resize(4);
ibuf.Read((char *)&buf[0], 4);
EndianConvert(*((uint16*)(buf[0])));
uint16 remaining = ((sAuthLogonChallenge_C *)&buf[0])->size;
DEBUG_LOG("[AuthChallenge] got header, body is %#04x bytes", remaining);
if ((remaining < sizeof(sAuthLogonChallenge_C) - buf.size()) || (ibuf.GetLength() < remaining))
return false;
//No big fear of memory outage (size is int16, i.e. < 65536)
buf.resize(remaining + buf.size() + 1);
buf[buf.size() - 1] = 0;
sAuthLogonChallenge_C *ch = (sAuthLogonChallenge_C*)&buf[0];
// BigEndian code, nop in little endian case
// size already converted
EndianConvert(*((uint32*)(&ch->gamename[0])));
EndianConvert(ch->build);
EndianConvert(*((uint32*)(&ch->platform[0])));
EndianConvert(*((uint32*)(&ch->os[0])));
EndianConvert(*((uint32*)(&ch->country[0])));
EndianConvert(ch->timezone_bias);
EndianConvert(ch->ip);
///- Read the remaining of the packet
ibuf.Read((char *)&buf[4], remaining);
DEBUG_LOG("[AuthChallenge] got full packet, %#04x bytes", ch->size);
DEBUG_LOG("[AuthChallenge] name(%d): '%s'", ch->I_len, ch->I);
ByteBuffer pkt;
_login = (const char*)ch->I;
_build = ch->build;
///- Normalize account name
//utf8ToUpperOnlyLatin(_login); -- client already send account in expected form
//Escape the user login to avoid further SQL injection
//Memory will be freed on AuthSocket object destruction
_safelogin = _login;
loginDatabase.escape_string(_safelogin);
pkt << (uint8) AUTH_LOGON_CHALLENGE;
pkt << (uint8) 0x00;
///- Verify that this IP is not in the ip_banned table
// No SQL injection possible (paste the IP address as passed by the socket)
loginDatabase.Execute("DELETE FROM ip_banned WHERE unbandate<=UNIX_TIMESTAMP() AND unbandate<>bandate");
std::string address = GetRemoteAddress();
loginDatabase.escape_string(address);
QueryResult *result = loginDatabase.PQuery("SELECT * FROM ip_banned WHERE ip = '%s'",address.c_str());
if(result)
{
pkt << (uint8)REALM_AUTH_ACCOUNT_BANNED;
sLog.outBasic("[AuthChallenge] Banned ip %s tries to login!",GetRemoteAddress().c_str ());
delete result;
}
else
{
///- Get the account details from the account table
// No SQL injection (escaped user name)
result = loginDatabase.PQuery("SELECT sha_pass_hash,id,locked,last_ip,gmlevel,v,s FROM account WHERE username = '******'",_safelogin.c_str ());
if( result )
{
///- If the IP is 'locked', check that the player comes indeed from the correct IP address
bool locked = false;
if((*result)[2].GetUInt8() == 1) // if ip is locked
{
DEBUG_LOG("[AuthChallenge] Account '%s' is locked to IP - '%s'", _login.c_str(), (*result)[3].GetString());
DEBUG_LOG("[AuthChallenge] Player address is '%s'", GetRemoteAddress().c_str());
if ( strcmp((*result)[3].GetString(),GetRemoteAddress().c_str()) )
{
DEBUG_LOG("[AuthChallenge] Account IP differs");
pkt << (uint8) REALM_AUTH_ACCOUNT_FREEZED;
locked=true;
}
else
{
DEBUG_LOG("[AuthChallenge] Account IP matches");
}
}
else
{
DEBUG_LOG("[AuthChallenge] Account '%s' is not locked to ip", _login.c_str());
}
if (!locked)
{
//set expired bans to inactive
loginDatabase.Execute("UPDATE account_banned SET active = 0 WHERE unbandate<=UNIX_TIMESTAMP() AND unbandate<>bandate");
///- If the account is banned, reject the logon attempt
QueryResult *banresult = loginDatabase.PQuery("SELECT bandate,unbandate FROM account_banned WHERE id = %u AND active = 1", (*result)[1].GetUInt32());
if(banresult)
{
if((*banresult)[0].GetUInt64() == (*banresult)[1].GetUInt64())
{
pkt << (uint8) REALM_AUTH_ACCOUNT_BANNED;
sLog.outBasic("[AuthChallenge] Banned account %s tries to login!",_login.c_str ());
}
else
{
pkt << (uint8) REALM_AUTH_ACCOUNT_FREEZED;
sLog.outBasic("[AuthChallenge] Temporarily banned account %s tries to login!",_login.c_str ());
}
delete banresult;
}
else
{
///- Get the password from the account table, upper it, and make the SRP6 calculation
std::string rI = (*result)[0].GetCppString();
///- Don't calculate (v, s) if there are already some in the database
std::string databaseV = (*result)[5].GetCppString();
std::string databaseS = (*result)[6].GetCppString();
sLog.outDebug("database authentication values: v='%s' s='%s'", databaseV.c_str(), databaseS.c_str());
// multiply with 2, bytes are stored as hexstring
if(databaseV.size() != s_BYTE_SIZE*2 || databaseS.size() != s_BYTE_SIZE*2)
_SetVSFields(rI);
else
{
s.SetHexStr(databaseS.c_str());
v.SetHexStr(databaseV.c_str());
}
b.SetRand(19 * 8);
BigNumber gmod = g.ModExp(b, N);
B = ((v * 3) + gmod) % N;
ASSERT(gmod.GetNumBytes() <= 32);
BigNumber unk3;
unk3.SetRand(16 * 8);
///- Fill the response packet with the result
pkt << uint8(REALM_AUTH_SUCCESS);
// B may be calculated < 32B so we force minimal length to 32B
pkt.append(B.AsByteArray(32), 32); // 32 bytes
pkt << uint8(1);
pkt.append(g.AsByteArray(), 1);
pkt << uint8(32);
pkt.append(N.AsByteArray(), 32);
pkt.append(s.AsByteArray(), s.GetNumBytes());// 32 bytes
pkt.append(unk3.AsByteArray(), 16);
uint8 securityFlags = 0;
pkt << uint8(securityFlags); // security flags (0x0...0x04)
if(securityFlags & 0x01) // PIN input
{
pkt << uint32(0);
pkt << uint64(0) << uint64(0); // 16 bytes hash?
}
if(securityFlags & 0x02) // Matrix input
{
pkt << uint8(0);
pkt << uint8(0);
pkt << uint8(0);
pkt << uint8(0);
pkt << uint64(0);
}
if(securityFlags & 0x04) // Security token input
{
pkt << uint8(1);
}
uint8 secLevel = (*result)[4].GetUInt8();
_accountSecurityLevel = secLevel <= SEC_ADMINISTRATOR ? AccountTypes(secLevel) : SEC_ADMINISTRATOR;
_localizationName.resize(4);
for(int i = 0; i < 4; ++i)
_localizationName[i] = ch->country[4-i-1];
sLog.outBasic("[AuthChallenge] account %s is using '%c%c%c%c' locale (%u)", _login.c_str (), ch->country[3], ch->country[2], ch->country[1], ch->country[0], GetLocaleByName(_localizationName));
// user authenticated => turn off autoreg, thus account creating
_autoreg = false;
}
}
delete result;
}
else if(_autoreg) // no account
{
// check username
if(_safelogin.find_first_of(notAllowedChars)!=_safelogin.npos || _safelogin.length()<4)
_autoreg = false;
// check IP
else if(uint32 amountip = sConfig.GetIntDefault("AmountIP", 0))
{
QueryResult *result2 = loginDatabase.PQuery("SELECT COUNT(last_ip) FROM account WHERE last_ip = '%s'", GetRemoteAddress().c_str());
if (result2 && (*result2)[0].GetUInt8() >= amountip)
{
_autoreg = false;
delete result2;
}
}
// still all ok
if(_autoreg)
{
///- Get the password from the account table, upper it, and make the SRP6 calculation
std::transform(_safelogin.begin(), _safelogin.end(), _safelogin.begin(), std::towupper);
Sha1Hash sha;
std::string sI = _safelogin + ":" + _safelogin;
sha.UpdateData(sI);
sha.Finalize();
BigNumber bn;
bn.SetBinary(sha.GetDigest(), sha.GetLength());
uint8 *val = bn.AsByteArray();
std::reverse(val, val+bn.GetNumBytes());
bn.SetBinary(val, bn.GetNumBytes());
const char* rI = bn.AsHexStr();
_SetVSFields(rI);
OPENSSL_free((void*)rI);
b.SetRand(19 * 8);
BigNumber gmod=g.ModExp(b, N);
B = ((v * 3) + gmod) % N;
if (B.GetNumBytes() < 32)
sLog.outDetail("Interesting, calculation of B in realmd is < 32.");
ASSERT(gmod.GetNumBytes() <= 32);
BigNumber unk3;
unk3.SetRand(16*8);
///- Fill the response packet with the result
pkt << (uint8)REALM_AUTH_SUCCESS;
pkt.append(B.AsByteArray(), 32);
pkt << (uint8)1;
pkt.append(g.AsByteArray(), 1);
pkt << (uint8)32;
pkt.append(N.AsByteArray(), 32);
pkt.append(s.AsByteArray(), s.GetNumBytes());
pkt.append(unk3.AsByteArray(), 16);
pkt << (uint8)0; // Added in 1.12.x client branch
}
else
// username and/or IP is bad
pkt << (uint8) REALM_AUTH_NO_MATCH;
}
else
{
// autoreg off in config, account is wrong
pkt << (uint8) REALM_AUTH_NO_MATCH;
}
}
SendBuf((char const*)pkt.contents(), pkt.size());
return true;
}
/// Logon Challenge command handler
bool AuthSocket::_HandleLogonChallenge()
{
DEBUG_LOG("Entering _HandleLogonChallenge");
if (ibuf.GetLength() < sizeof(sAuthLogonChallenge_C))
return false;
///- Read the first 4 bytes (header) to get the length of the remaining of the packet
std::vector<uint8> buf;
buf.resize(4);
ibuf.Read((char *)&buf[0], 4);
EndianConvert(*((uint16*)(buf[0])));
uint16 remaining = ((sAuthLogonChallenge_C *)&buf[0])->size;
DEBUG_LOG("[AuthChallenge] got header, body is %#04x bytes", remaining);
if ((remaining < sizeof(sAuthLogonChallenge_C) - buf.size()) || (ibuf.GetLength() < remaining))
return false;
//No big fear of memory outage (size is int16, i.e. < 65536)
buf.resize(remaining + buf.size() + 1);
buf[buf.size() - 1] = 0;
sAuthLogonChallenge_C *ch = (sAuthLogonChallenge_C*)&buf[0];
// BigEndian code, nop in little endian case
// size already converted
EndianConvert(*((uint32*)(&ch->gamename[0])));
EndianConvert(ch->build);
EndianConvert(*((uint32*)(&ch->platform[0])));
EndianConvert(*((uint32*)(&ch->os[0])));
EndianConvert(*((uint32*)(&ch->country[0])));
EndianConvert(ch->timezone_bias);
EndianConvert(ch->ip);
///- Read the remaining of the packet
ibuf.Read((char *)&buf[4], remaining);
DEBUG_LOG("[AuthChallenge] got full packet, %#04x bytes", ch->size);
DEBUG_LOG("[AuthChallenge] name(%d): '%s'", ch->I_len, ch->I);
ByteBuffer pkt;
_login = (const char*)ch->I;
///- Normalize account name
//utf8ToUpperOnlyLatin(_login); -- client already send account in expected form
//Escape the user login to avoid further SQL injection
//Memory will be freed on AuthSocket object destruction
_safelogin=_login;
dbRealmServer.escape_string(_safelogin);
///- Check if the client has one of the expected version numbers
bool valid_version=false;
int accepted_versions[]=EXPECTED_TRINITY_CLIENT_BUILD;
for(int i=0;accepted_versions[i];i++)
if(ch->build==accepted_versions[i])
{
valid_version=true;
break;
}
/// <ul><li> if this is a valid version
if(valid_version)
{
pkt << (uint8) AUTH_LOGON_CHALLENGE;
pkt << (uint8) 0x00;
///- Verify that this IP is not in the ip_banned table
// No SQL injection possible (paste the IP address as passed by the socket)
dbRealmServer.Execute("DELETE FROM ip_banned WHERE unbandate<=UNIX_TIMESTAMP() AND unbandate<>bandate");
std::string address = GetRemoteAddress();
dbRealmServer.escape_string(address);
QueryResult *result = dbRealmServer.PQuery( "SELECT * FROM ip_banned WHERE ip = '%s'",address.c_str());
if(result)
{
pkt << (uint8)REALM_AUTH_ACCOUNT_BANNED;
sLog.outBasic("[AuthChallenge] Banned ip %s tries to login!",GetRemoteAddress().c_str ());
delete result;
}
else
{
///- Get the account details from the account table
// No SQL injection (escaped user name)
result = dbRealmServer.PQuery("SELECT sha_pass_hash,id,locked,last_ip,gmlevel FROM account WHERE username = '******'",_safelogin.c_str ());
if( result )
{
///- If the IP is 'locked', check that the player comes indeed from the correct IP address
bool locked = false;
if((*result)[2].GetUInt8() == 1) // if ip is locked
{
DEBUG_LOG("[AuthChallenge] Account '%s' is locked to IP - '%s'", _login.c_str(), (*result)[3].GetString());
DEBUG_LOG("[AuthChallenge] Player address is '%s'", GetRemoteAddress().c_str());
if ( strcmp((*result)[3].GetString(),GetRemoteAddress().c_str()) )
{
DEBUG_LOG("[AuthChallenge] Account IP differs");
pkt << (uint8) REALM_AUTH_ACCOUNT_FREEZED;
locked=true;
}
else
{
DEBUG_LOG("[AuthChallenge] Account IP matches");
}
}
else
{
DEBUG_LOG("[AuthChallenge] Account '%s' is not locked to ip", _login.c_str());
}
if (!locked)
{
//set expired bans to inactive
dbRealmServer.Execute("UPDATE account_banned SET active = 0 WHERE unbandate<=UNIX_TIMESTAMP() AND unbandate<>bandate");
///- If the account is banned, reject the logon attempt
QueryResult *banresult = dbRealmServer.PQuery("SELECT bandate,unbandate FROM account_banned WHERE id = %u AND active = 1", (*result)[1].GetUInt32());
if(banresult)
{
if((*banresult)[0].GetUInt64() == (*banresult)[1].GetUInt64())
{
pkt << (uint8) REALM_AUTH_ACCOUNT_BANNED;
sLog.outBasic("[AuthChallenge] Banned account %s tries to login!",_login.c_str ());
}
else
{
pkt << (uint8) REALM_AUTH_ACCOUNT_FREEZED;
sLog.outBasic("[AuthChallenge] Temporarily banned account %s tries to login!",_login.c_str ());
}
delete banresult;
}
else
{
///- Get the password from the account table, upper it, and make the SRP6 calculation
std::string rI = (*result)[0].GetCppString();
_SetVSFields(rI);
b.SetRand(19 * 8);
BigNumber gmod=g.ModExp(b, N);
B = ((v * 3) + gmod) % N;
ASSERT(gmod.GetNumBytes() <= 32);
BigNumber unk3;
unk3.SetRand(16*8);
///- Fill the response packet with the result
pkt << (uint8)REALM_AUTH_SUCCESS;
// B may be calculated < 32B so we force minnimal length to 32B
pkt.append(B.AsByteArray(32), 32); // 32 bytes
pkt << (uint8)1;
pkt.append(g.AsByteArray(), 1);
pkt << (uint8)32;
pkt.append(N.AsByteArray(), 32);
pkt.append(s.AsByteArray(), s.GetNumBytes()); // 32 bytes
pkt.append(unk3.AsByteArray(), 16);
pkt << (uint8)0; // Added in 1.12.x client branch
uint8 secLevel = (*result)[4].GetUInt8();
_accountSecurityLevel = secLevel <= SEC_ADMINISTRATOR ? AccountTypes(secLevel) : SEC_ADMINISTRATOR;
std::string localeName;
localeName.resize(4);
for(int i = 0; i <4; ++i)
localeName[i] = ch->country[4-i-1];
_localization = GetLocaleByName(localeName);
sLog.outBasic("[AuthChallenge] account %s is using '%c%c%c%c' locale (%u)", _login.c_str (), ch->country[3],ch->country[2],ch->country[1],ch->country[0], _localization);
}
}
delete result;
}
else //no account
{
pkt<< (uint8) REALM_AUTH_NO_MATCH;
}
}
} //valid version
else
///<li> else
{
///- Check if we have the apropriate patch on the disk
char tmp[64];
// No buffer overflow (fixed length of arguments)
sprintf(tmp,"./patches/%d%c%c%c%c.mpq",ch->build,ch->country[3],
ch->country[2],ch->country[1],ch->country[0]);
// This will be closed at the destruction of the AuthSocket (client deconnection)
FILE *pFile=fopen(tmp,"rb");
if(!pFile)
{
pkt << (uint8) AUTH_LOGON_CHALLENGE;
pkt << (uint8) 0x00;
pkt << (uint8) REALM_AUTH_WRONG_BUILD_NUMBER;
DEBUG_LOG("[AuthChallenge] %u is not a valid client version!", ch->build);
DEBUG_LOG("[AuthChallenge] Patch %s not found",tmp);
}else
{ //have patch
pPatch=pFile;
XFER_INIT xferh;
///- Get the MD5 hash of the patch file (get it from preloaded Patcher cache or calculate it)
if(PatchesCache.GetHash(tmp,(uint8*)&xferh.md5))
{
DEBUG_LOG("\n[AuthChallenge] Found precached patch info for patch %s",tmp);
}
else
{ //calculate patch md5
printf("\n[AuthChallenge] Patch info for %s was not cached.",tmp);
PatchesCache.LoadPatchMD5(tmp);
PatchesCache.GetHash(tmp,(uint8*)&xferh.md5);
}
///- Send a packet to the client with the file length and MD5 hash
uint8 data[2]={AUTH_LOGON_PROOF,REALM_AUTH_UPDATE_CLIENT};
SendBuf((const char*)data,sizeof(data));
memcpy(&xferh,"0\x05Patch",7);
xferh.cmd=XFER_INITIATE;
fseek(pPatch,0,SEEK_END);
xferh.file_size=ftell(pPatch);
SendBuf((const char*)&xferh,sizeof(xferh));
return true;
}
}
/// </ul>
SendBuf((char const*)pkt.contents(), pkt.size());
return true;
}
/// Reconnect Challenge command handler
bool AuthSocket::_HandleReconnectChallenge()
{
DEBUG_LOG("Entering _HandleReconnectChallenge");
if (recv_len() < sizeof(sAuthLogonChallenge_C))
return false;
///- Read the first 4 bytes (header) to get the length of the remaining of the packet
std::vector<uint8> buf;
buf.resize(4);
recv((char *)&buf[0], 4);
EndianConvert(*((uint16*)(buf[0])));
uint16 remaining = ((sAuthLogonChallenge_C *)&buf[0])->size;
DEBUG_LOG("[ReconnectChallenge] got header, body is %#04x bytes", remaining);
if ((remaining < sizeof(sAuthLogonChallenge_C) - buf.size()) || (recv_len() < remaining))
return false;
//No big fear of memory outage (size is int16, i.e. < 65536)
buf.resize(remaining + buf.size() + 1);
buf[buf.size() - 1] = 0;
sAuthLogonChallenge_C *ch = (sAuthLogonChallenge_C*)&buf[0];
///- Read the remaining of the packet
recv((char *)&buf[4], remaining);
DEBUG_LOG("[ReconnectChallenge] got full packet, %#04x bytes", ch->size);
DEBUG_LOG("[ReconnectChallenge] name(%d): '%s'", ch->I_len, ch->I);
_login = (const char*)ch->I;
_safelogin = _login;
LoginDatabase.escape_string(_safelogin);
EndianConvert(ch->build);
_build = ch->build;
QueryResult *result = LoginDatabase.PQuery ("SELECT sessionkey FROM account WHERE username = '******'", _safelogin.c_str ());
// Stop if the account is not found
if (!result)
{
sLog.outError("[ERROR] user %s tried to login and we cannot find his session key in the database.", _login.c_str());
close_connection();
return false;
}
Field* fields = result->Fetch ();
K.SetHexStr (fields[0].GetString ());
delete result;
///- Sending response
ByteBuffer pkt;
pkt << (uint8) CMD_AUTH_RECONNECT_CHALLENGE;
pkt << (uint8) 0x00;
_reconnectProof.SetRand(16 * 8);
pkt.append(_reconnectProof.AsByteArray(16),16); // 16 bytes random
pkt << (uint64) 0x00 << (uint64) 0x00; // 16 bytes zeros
send((char const*)pkt.contents(), pkt.size());
return true;
}
void AuthSocket::HandleReconnectChallenge()
{
// No header
if(GetReadBufferSize() < 4)
return;
// Check the rest of the packet is complete.
uint8 * ReceiveBuffer = GetReadBuffer(0);
uint16 full_size = *(uint16*)&ReceiveBuffer[2];
sLog.outDetail("[AuthChallenge] got header, body is 0x%02X bytes", full_size);
if(GetReadBufferSize() < (uint32)full_size+4)
return;
// Copy the data into our cached challenge structure
if(full_size > sizeof(sAuthLogonChallenge_C))
{
Disconnect();
return;
}
sLog.outDebug("[AuthChallenge] got full packet.");
memcpy(&m_challenge, ReceiveBuffer, full_size + 4);
RemoveReadBufferBytes(full_size + 4, false);
// Check client build.
if(m_challenge.build > LogonServer::getSingleton().max_build ||
m_challenge.build < LogonServer::getSingleton().min_build)
{
SendChallengeError(CE_WRONG_BUILD_NUMBER);
return;
}
// Check for a possible IP ban on this client.
BAN_STATUS ipb = IPBanner::getSingleton().CalculateBanStatus(GetRemoteAddress());
switch(ipb)
{
case BAN_STATUS_PERMANENT_BAN:
SendChallengeError(CE_ACCOUNT_CLOSED);
return;
case BAN_STATUS_TIME_LEFT_ON_BAN:
SendChallengeError(CE_ACCOUNT_FREEZED);
return;
}
// Null-terminate the account string
m_challenge.I[m_challenge.I_len] = 0;
// Look up the account information
string AccountName = (char*)&m_challenge.I;
sLog.outDebug("[AuthChallenge] Account Name: \"%s\"", AccountName.c_str());
m_account = AccountMgr::getSingleton().GetAccount(AccountName);
if(m_account == 0)
{
sLog.outDebug("[AuthChallenge] Invalid account.");
// Non-existant account
SendChallengeError(CE_NO_ACCOUNT);
return;
}
sLog.outDebug("[AuthChallenge] Account banned state = %u", m_account->Banned);
// Check that the account isn't banned.
if(m_account->Banned == 1)
{
SendChallengeError(CE_ACCOUNT_CLOSED);
return;
}
else if(m_account->Banned > 0)
{
SendChallengeError(CE_ACCOUNT_FREEZED);
return;
}
if(!m_account->SessionKey)
{
SendChallengeError(CE_SERVER_FULL);
return;
}
/** burlex: this is pure speculation, I really have no idea what this does :p
* just guessed the md5 because it was 16 byte blocks.
*/
MD5_CTX ctx;
MD5_Init(&ctx);
MD5_Update(&ctx, m_account->SessionKey, 40);
uint8 buffer[20];
MD5_Final(buffer, &ctx);
ByteBuffer buf;
buf << uint16(2);
buf.append(buffer, 20);
buf << uint64(0);
buf << uint64(0);
Send(buf.contents(), 34);
}
