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adding support for switching steamID for the nosteam webclients

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This commit is contained in:
jenz 2026-06-05 23:54:25 +01:00
parent 86c714fb1b
commit 0aab8e0bd6
2 changed files with 112 additions and 9 deletions
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6
connect2.games.txt
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@ -74,6 +74,12 @@
"library" "engine"
"linux" "@_ZN13CSteam3Server28OnValidateAuthTicketResponseEP28ValidateAuthTicketResponse_t"
}
"CBaseClient__SetSteamID"
{
"library" "engine"
"linux" "@_ZN11CBaseClient10SetSteamIDERK8CSteamID"
}
}
}
}

115
extension/extension.cpp
View File

@ -37,6 +37,7 @@ ConVar g_SvNoSteam("sv_nosteam", "0", FCVAR_NOTIFY, "Disable steam validation an
ConVar g_SvForceSteam("sv_forcesteam", "0", FCVAR_NOTIFY, "Force steam authentication.");
ConVar g_SvGameDesc("sv_gamedesc_override", "default", FCVAR_NOTIFY, "Overwrite the default game description. Set to 'default' to keep default description.");
ConVar g_SvMapName("sv_mapname_override", "default", FCVAR_NOTIFY, "Overwrite the map name. Set to 'default' to keep default name.");
ConVar g_SvSetSteamIDIPS("sv_set_steam_id_ips", "default", FCVAR_NOTIFY, "IP's allowed for webclient nosteamers");
IGameConfig *g_pGameConf = NULL;
@ -150,6 +151,7 @@ public:
CDetour* detourCBaseServer__ConnectClient = nullptr;
CDetour *g_Detour_CSteam3Server__OnValidateAuthTicketResponse = NULL;
CDetour *g_Detour_CBaseClient__SetSteamID = NULL;
bool g_bSuppressBeginAuthSession = false;
@ -227,6 +229,7 @@ public:
bool SteamLegal;
bool SteamAuthFailed;
bool ManualRetry;
bool Webclient;
void *pvTicket;
int cbTicket;
@ -250,6 +253,7 @@ public:
this->SteamLegal = false;
this->SteamAuthFailed = false;
this->ManualRetry = false;
this->Webclient = false;
// Calculate and store the ticket pointer
this->pvTicket = (void *)((intptr_t)this->pCookie + sizeof(uint64));
@ -258,6 +262,61 @@ public:
};
StringHashMap<ConnectClientStorage> g_ConnectClientStorage;
//ai generated function
uint64 GenerateSteamIDFromName(const char *pchName)
{
uint64 hash = 14695981039346656037ULL;
for (const char *p = pchName; *p; p++)
{
hash ^= (uint64)(unsigned char)*p;
hash *= 1099511628211ULL;
}
uint32 W = hash & 1;
// Range within existing Steam accounts: 1 to 700,000,000
uint32 Z = 1 + (uint32)((hash >> 1) % 699999999);
uint64 steamID64 = 0x0110000100000000ULL | ((uint64)Z << 1) | W;
return steamID64;
}
DETOUR_DECL_MEMBER1(CBaseClient__SetSteamID, void, const CSteamID &, steamID)
{
char aSteamID[32];
V_strncpy(aSteamID, steamID.Render(), 32);
ConnectClientStorage storage;
if (g_ConnectClientStorage.retrieve(aSteamID, &storage))
{
if (storage.SteamAuthFailed)
{
char IpsAllowed[255];
V_strncpy(IpsAllowed, g_SvSetSteamIDIPS.GetString(), 255);
char ipString[30];
V_snprintf(ipString, sizeof(ipString), "%u.%u.%u.%u", storage.address.ip[0], storage.address.ip[1], storage.address.ip[2], storage.address.ip[3]);
//smutils->LogMessage(myself, "inside SetSteamID steamAuthFailed. IpsAllowed: %s. ipString: %s", IpsAllowed, ipString);
//connects from the IP's designated for the webclients.
if (strcmp(IpsAllowed, ipString) == 0)
{
uint64 steamID64 = GenerateSteamIDFromName(storage.pchName);
CSteamID newSteamID = CSteamID(steamID64);
//smutils->LogMessage(myself, "Generated SteamID64: %llu for name: %s", steamID64, storage.pchName);
//smutils->LogMessage(myself, "SteamID render: %s", newSteamID.Render());
storage.ullSteamID = steamID64;
storage.Webclient = true;
g_ConnectClientStorage.replace(aSteamID, storage);
DETOUR_MEMBER_CALL(CBaseClient__SetSteamID)(newSteamID);
return;
}
}
}
DETOUR_MEMBER_CALL(CBaseClient__SetSteamID)(steamID);
}
DETOUR_DECL_MEMBER1(CSteam3Server__OnValidateAuthTicketResponse, int, ValidateAuthTicketResponse_t *, pResponse)
{
char aSteamID[32];
@ -580,17 +639,41 @@ DETOUR_DECL_MEMBER9(CBaseServer__ConnectClient, IClient*, netadr_t&, address, in
//auto client = DETOUR_MEMBER_MCALL_ORIGINAL(CBaseServer__ConnectClient, this)(address, nProtocol, iChallenge, iClientChallenge, nAuthProtocol, pchName, pchPassword, pCookie, cbCookie);
g_bSuppressBeginAuthSession = false;
g_pSM->LogMessage(myself, "finished DETOUR_MEMBER_CALL. %s", aSteamID);
Storage.pClient = client;
g_ConnectClientStorage.replace(aSteamID, Storage);
if (client && SteamAuthFailed)
//doing another retrieve in case of SetSteamID for webclient.
ConnectClientStorage storage_setSteamID;
g_ConnectClientStorage.retrieve(aSteamID, &storage_setSteamID);
if (storage_setSteamID.Webclient)
{
ValidateAuthTicketResponse_t Response;
Response.m_SteamID = g_lastClientSteamID;
Response.m_eAuthSessionResponse = k_EAuthSessionResponseAuthTicketInvalid; //nosteamer monkeys
Response.m_OwnerSteamID = Response.m_SteamID;
g_pSM->LogMessage(myself, "about to do OnValidateAuthTicketResponse. %s", aSteamID);
DETOUR_MEMBER_MCALL_CALLBACK(CSteam3Server__OnValidateAuthTicketResponse, g_pSteam3Server)(&Response);
CSteamID newSteamID = CSteamID(storage_setSteamID.ullSteamID);
storage_setSteamID.pClient = client;
g_ConnectClientStorage.replace(newSteamID.Render(), storage_setSteamID);
g_ConnectClientStorage.remove(aSteamID);
if (client && SteamAuthFailed)
{
ValidateAuthTicketResponse_t Response;
Response.m_SteamID = newSteamID;
Response.m_eAuthSessionResponse = k_EAuthSessionResponseAuthTicketInvalid; //nosteamer monkeys
Response.m_OwnerSteamID = Response.m_SteamID;
g_pSM->LogMessage(myself, "about to do OnValidateAuthTicketResponse webclient. %s", newSteamID.Render());
DETOUR_MEMBER_MCALL_CALLBACK(CSteam3Server__OnValidateAuthTicketResponse, g_pSteam3Server)(&Response);
}
}
else
{
Storage.pClient = client;
g_ConnectClientStorage.replace(aSteamID, Storage);
if (client && SteamAuthFailed)
{
ValidateAuthTicketResponse_t Response;
Response.m_SteamID = g_lastClientSteamID;
Response.m_eAuthSessionResponse = k_EAuthSessionResponseAuthTicketInvalid; //nosteamer monkeys
Response.m_OwnerSteamID = Response.m_SteamID;
g_pSM->LogMessage(myself, "about to do OnValidateAuthTicketResponse. %s", aSteamID);
DETOUR_MEMBER_MCALL_CALLBACK(CSteam3Server__OnValidateAuthTicketResponse, g_pSteam3Server)(&Response);
}
}
g_pSM->LogMessage(myself, "MEMBER 9 end. %s", aSteamID);
return client;
@ -699,6 +782,14 @@ bool Connect::SDK_OnLoad(char *error, size_t maxlen, bool late)
}
g_Detour_CSteam3Server__OnValidateAuthTicketResponse->EnableDetour();
g_Detour_CBaseClient__SetSteamID = DETOUR_CREATE_MEMBER(CBaseClient__SetSteamID, "CBaseClient__SetSteamID");
if(!g_Detour_CBaseClient__SetSteamID)
{
snprintf(error, maxlen, "Failed to detour CBaseClient__SetSteamID.\n");
return false;
}
g_Detour_CBaseClient__SetSteamID->EnableDetour();
g_pConnectForward = g_pForwards->CreateForward("OnClientPreConnectEx", ET_LowEvent, 5, NULL, Param_String, Param_String, Param_String, Param_String, Param_String);
return true;
@ -733,6 +824,12 @@ bool Connect::SDK_OnMetamodUnload(char *error, size_t maxlen)
delete g_Detour_CSteam3Server__OnValidateAuthTicketResponse;
}
if (g_Detour_CBaseClient__SetSteamID)
{
g_Detour_CBaseClient__SetSteamID->DisableDetour();
delete g_Detour_CBaseClient__SetSteamID;
}
return true;
}