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Merge pull request #9007 from Learath2/pr_olddomain

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Ban compromised old versions
This commit is contained in:
Dennis Felsing 2024-09-21 22:53:05 +00:00 committed by GitHub
parent b34edb64c0 db0c83d433
commit be74009fbf
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GPG key ID: B5690EEEBB952194
3 changed files with 22 additions and 0 deletions
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19
src/engine/server/server.cpp
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@ -1434,6 +1434,11 @@ bool CServer::CheckReservedSlotAuth(int ClientId, const char *pPassword)
return false;
}
void CServer::DropOldClient(int ClientId)
{
m_NetServer.Drop(ClientId, "This version of the client is compromised. Do not click the update button. ddnet.org/olddomain");
}
void CServer::ProcessClientPacket(CNetChunk *pPacket)
{
int ClientId = pPacket->m_ClientId;
@ -1495,6 +1500,13 @@ void CServer::ProcessClientPacket(CNetChunk *pPacket)
{
return;
}
if(DDNetVersion < VERSION_DDNET_NEW_DOMAIN)
{
DropOldClient(ClientId);
return;
}
m_aClients[ClientId].m_ConnectionId = *pConnectionId;
m_aClients[ClientId].m_DDNetVersion = DDNetVersion;
str_copy(m_aClients[ClientId].m_aDDNetVersionStr, pDDNetVersionStr);
@ -1512,6 +1524,13 @@ void CServer::ProcessClientPacket(CNetChunk *pPacket)
{
return;
}
if(!m_aClients[ClientId].m_GotDDNetVersionPacket)
{
DropOldClient(ClientId);
return;
}
if(str_comp(pVersion, GameServer()->NetVersion()) != 0 && str_comp(pVersion, "0.7 802f1be60a05665f") != 0)
{
// wrong version

1
src/engine/server/server.h
View file

@ -337,6 +337,7 @@ public:
void UpdateClientRconCommands();
bool CheckReservedSlotAuth(int ClientId, const char *pPassword);
void DropOldClient(int ClientId);
void ProcessClientPacket(CNetChunk *pPacket);
class CCache

2
src/engine/shared/protocol.h
View file

@ -126,6 +126,8 @@ enum
VERSION_DDNET_MULTI_LASER = 16040,
VERSION_DDNET_ENTITY_NETOBJS = 16200,
VERSION_DDNET_REDIRECT = 17020,
VERSION_DDNET_NEW_DOMAIN = 16040,
};
typedef std::bitset<MAX_CLIENTS> CClientMask;