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24
README.md
24
README.md
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@ -1,3 +1,25 @@
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### This project is being worked on and not everything works yet, contact me for help
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# EOSSDK-Holos
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A emulation layer of EOSSDK that does it's best to enable true p2p multiplayer
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EOSSDK-Holos is an emulation layer for the Epic Online Services (EOS) SDK. Its primary objective is to make possible true Peer-to-Peer multiplayer connectivity by intercepting and redirecting P2P traffic over a direct UDP socket.
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# Build
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1. Place the contents of this repository into the game's plugin directory:
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`Holo's Hanafuda\HolosHanafuda_Data\Plugins\x86_64\`
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The project acts as a DLL proxy. To ensure the game can still access the original SDK functions, you must rename the existing file:
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2. Locate `EOSSDK-Win64-Shipping.dll` in the directory mentioned above and rename it to `EOSSDK-Win64-Shipping_orig.dll`.
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Execute the build script provided in the repository to generate the proxy DLL:
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```bash ./build.sh```
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4
build.sh
Executable file
4
build.sh
Executable file
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python3 gen_def.py
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python3 gen_stubs.py
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x86_64-w64-mingw32-g++ -shared -o EOSSDK-Win64-Shipping.dll main.cpp proxy_asm.s proxy.def -lws2_32 -static
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136
gen_def.py
Normal file
136
gen_def.py
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import re
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import sys
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def main():
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with open('dump.txt', 'r', encoding='utf-8', errors='ignore') as f:
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content = f.read()
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# Find the [Ordinal/Name Pointer] Table
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match = re.search(r'\[Ordinal/Name Pointer\] Table.*?\n(.*?)(\n\n|\Z)', content, re.DOTALL)
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if not match:
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print("Could not find Name Pointer Table in dump.txt")
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return
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lines = match.group(1).split('\n')
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hooks = [
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"EOS_P2P_SendPacket",
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"EOS_P2P_GetNextReceivedPacketSize",
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"EOS_P2P_ReceivePacket",
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"EOS_P2P_AcceptConnection",
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"EOS_P2P_CloseConnection",
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"EOS_P2P_CloseConnections",
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"EOS_P2P_QueryNATType",
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"EOS_P2P_GetNATType",
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"EOS_P2P_SetRelayControl",
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"EOS_P2P_GetRelayControl",
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"EOS_P2P_SetPortRange",
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"EOS_P2P_GetPortRange",
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"EOS_P2P_AddNotifyPeerConnectionRequest",
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"EOS_P2P_RemoveNotifyPeerConnectionRequest",
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"EOS_P2P_AddNotifyPeerConnectionClosed",
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"EOS_P2P_RemoveNotifyPeerConnectionClosed",
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"EOS_P2P_AddNotifyPeerConnectionEstablished",
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"EOS_P2P_RemoveNotifyPeerConnectionEstablished",
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"EOS_P2P_AddNotifyPeerConnectionInterrupted",
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"EOS_P2P_RemoveNotifyPeerConnectionInterrupted",
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"EOS_P2P_AddNotifyIncomingPacketQueueFull",
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"EOS_P2P_RemoveNotifyIncomingPacketQueueFull",
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"EOS_P2P_ClearPacketQueue",
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"EOS_P2P_GetPacketQueueInfo",
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"EOS_P2P_SetPacketQueueSize",
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"EOS_Auth_Login",
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"EOS_Connect_Login",
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"EOS_Connect_CreateUser",
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"EOS_EpicAccountId_FromString",
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"EOS_ProductUserId_FromString",
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"EOS_EpicAccountId_IsValid",
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"EOS_ProductUserId_IsValid",
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"EOS_ProductUserId_ToString",
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"EOS_Connect_AddNotifyAuthExpiration",
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"EOS_Lobby_CreateLobby",
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"EOS_Lobby_JoinLobby",
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"EOS_Lobby_CreateLobbySearch",
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"EOS_LobbySearch_Find",
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"EOS_LobbySearch_GetSearchResultCount",
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"EOS_LobbySearch_CopySearchResultByIndex",
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"EOS_LobbyDetails_CopyInfo",
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"EOS_LobbyDetails_GetLobbyOwner",
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"EOS_LobbyDetails_Release",
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"EOS_LobbySearch_Release",
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"EOS_Lobby_AddNotifyLobbyUpdateReceived",
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"EOS_Lobby_RemoveNotifyLobbyUpdateReceived",
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"EOS_LobbySearch_RemoveParameter",
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"EOS_LobbySearch_SetLobbyId",
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"EOS_LobbySearch_SetMaxResults",
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"EOS_LobbySearch_SetParameter",
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"EOS_LobbySearch_SetTargetUserId",
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"EOS_LobbyModification_AddAttribute",
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"EOS_LobbyModification_AddMemberAttribute",
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"EOS_LobbyModification_Release",
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"EOS_LobbyModification_RemoveAttribute",
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"EOS_LobbyModification_RemoveMemberAttribute",
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"EOS_LobbyModification_SetAllowedPlatformIds",
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"EOS_LobbyModification_SetBucketId",
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"EOS_LobbyModification_SetInvitesAllowed",
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"EOS_LobbyModification_SetMaxMembers",
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"EOS_LobbyModification_SetPermissionLevel",
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"EOS_Lobby_UpdateLobbyModification",
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"EOS_LobbyDetails_CopyAttributeByIndex",
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"EOS_LobbyDetails_CopyAttributeByKey",
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"EOS_LobbyDetails_CopyMemberAttributeByIndex",
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"EOS_LobbyDetails_CopyMemberAttributeByKey",
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"EOS_LobbyDetails_CopyMemberInfo",
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"EOS_LobbyDetails_GetAttributeCount",
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"EOS_LobbyDetails_GetMemberAttributeCount",
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"EOS_LobbyDetails_GetMemberByIndex",
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"EOS_LobbyDetails_GetMemberCount",
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"EOS_LobbyDetails_Info_Release",
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"EOS_LobbyDetails_MemberInfo_Release",
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"EOS_Lobby_CopyLobbyDetailsHandle",
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"EOS_Lobby_CopyLobbyDetailsHandleByInviteId",
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"EOS_Lobby_CopyLobbyDetailsHandleByUiEventId",
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"EOS_Lobby_UpdateLobby",
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"EOS_Lobby_DestroyLobby",
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"EOS_Lobby_LeaveLobby",
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"EOS_Lobby_AddNotifyLobbyMemberStatusReceived",
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"EOS_Lobby_RemoveNotifyLobbyMemberStatusReceived",
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"EOS_Lobby_AddNotifyLobbyMemberUpdateReceived",
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"EOS_Lobby_RemoveNotifyLobbyMemberUpdateReceived",
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"EOS_Lobby_IsRTCRoomConnected",
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"EOS_Lobby_GetRTCRoomName",
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"EOS_Lobby_Attribute_Release",
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"EOS_Connect_CopyIdToken",
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"EOS_Connect_IdToken_Release",
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"EOS_Connect_VerifyIdToken",
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"EOS_Platform_Tick",
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"EOS_Lobby_IsLobbyOwner",
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"EOS_Lobby_GetInviteCount",
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"EOS_Lobby_CopyInviteIdByIndex",
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"EOS_Lobby_GetConnectString",
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"EOS_Lobby_ParseConnectString",
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"EOS_Platform_GetActiveCountryCode",
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"EOS_Platform_GetActiveLocaleCode",
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]
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with open('proxy.def', 'w') as out:
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out.write('LIBRARY "EOSSDK-Win64-Shipping.dll"\n')
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out.write('EXPORTS\n')
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for line in lines:
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line = line.strip()
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if not line: continue
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# Parse line: [ 0] +base[ 1] 0000 EOS_Achievements_AddNotifyAchievementsUnlocked
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parts = line.split()
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if len(parts) >= 4:
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func_name = parts[-1]
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if func_name in hooks:
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# Export our hook directly
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out.write(f' {func_name}\n')
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else:
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# Forward to the original dll
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out.write(f' {func_name}=EOSSDK-Win64-Shipping_orig.{func_name}\n')
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print("proxy.def generated successfully.")
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if __name__ == "__main__":
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main()
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149
gen_stubs.py
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149
gen_stubs.py
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import re
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def main():
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with open('dump.txt', 'r', encoding='utf-8', errors='ignore') as f:
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content = f.read()
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match = re.search(r'\[Ordinal/Name Pointer\] Table.*?\n(.*?)(\n\n|\Z)', content, re.DOTALL)
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if not match:
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print("Could not find Name Pointer Table in dump.txt")
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return
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lines = match.group(1).split('\n')
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hooks = [
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"EOS_P2P_SendPacket",
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"EOS_P2P_GetNextReceivedPacketSize",
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"EOS_P2P_ReceivePacket",
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"EOS_P2P_AcceptConnection",
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"EOS_P2P_CloseConnection",
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"EOS_P2P_CloseConnections",
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"EOS_P2P_QueryNATType",
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"EOS_P2P_GetNATType",
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"EOS_P2P_SetRelayControl",
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"EOS_P2P_GetRelayControl",
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"EOS_P2P_SetPortRange",
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"EOS_P2P_GetPortRange",
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"EOS_P2P_AddNotifyPeerConnectionRequest",
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"EOS_P2P_RemoveNotifyPeerConnectionRequest",
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"EOS_P2P_AddNotifyPeerConnectionClosed",
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"EOS_P2P_RemoveNotifyPeerConnectionClosed",
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"EOS_P2P_AddNotifyPeerConnectionEstablished",
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"EOS_P2P_RemoveNotifyPeerConnectionEstablished",
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"EOS_P2P_AddNotifyPeerConnectionInterrupted",
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"EOS_P2P_RemoveNotifyPeerConnectionInterrupted",
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"EOS_P2P_AddNotifyIncomingPacketQueueFull",
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"EOS_P2P_RemoveNotifyIncomingPacketQueueFull",
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"EOS_P2P_ClearPacketQueue",
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"EOS_P2P_GetPacketQueueInfo",
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"EOS_P2P_SetPacketQueueSize",
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"EOS_Auth_Login",
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"EOS_Connect_Login",
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"EOS_Connect_CreateUser",
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"EOS_EpicAccountId_FromString",
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"EOS_ProductUserId_FromString",
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"EOS_EpicAccountId_IsValid",
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"EOS_ProductUserId_IsValid",
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"EOS_ProductUserId_ToString",
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"EOS_Connect_AddNotifyAuthExpiration",
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"EOS_Lobby_CreateLobby",
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"EOS_Lobby_JoinLobby",
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"EOS_Lobby_CreateLobbySearch",
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"EOS_LobbySearch_Find",
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"EOS_LobbySearch_GetSearchResultCount",
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"EOS_LobbySearch_CopySearchResultByIndex",
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"EOS_LobbyDetails_CopyInfo",
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"EOS_LobbyDetails_GetLobbyOwner",
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"EOS_LobbyDetails_Release",
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"EOS_LobbySearch_Release",
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"EOS_Lobby_AddNotifyLobbyUpdateReceived",
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"EOS_Lobby_RemoveNotifyLobbyUpdateReceived",
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"EOS_LobbySearch_RemoveParameter",
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"EOS_LobbySearch_SetLobbyId",
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"EOS_LobbySearch_SetMaxResults",
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"EOS_LobbySearch_SetParameter",
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"EOS_LobbySearch_SetTargetUserId",
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"EOS_LobbyModification_AddAttribute",
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"EOS_LobbyModification_AddMemberAttribute",
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"EOS_LobbyModification_Release",
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"EOS_LobbyModification_RemoveAttribute",
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"EOS_LobbyModification_RemoveMemberAttribute",
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"EOS_LobbyModification_SetAllowedPlatformIds",
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"EOS_LobbyModification_SetBucketId",
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"EOS_LobbyModification_SetInvitesAllowed",
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"EOS_LobbyModification_SetMaxMembers",
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"EOS_LobbyModification_SetPermissionLevel",
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"EOS_Lobby_UpdateLobbyModification",
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"EOS_LobbyDetails_CopyAttributeByIndex",
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"EOS_LobbyDetails_CopyAttributeByKey",
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"EOS_LobbyDetails_CopyMemberAttributeByIndex",
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"EOS_LobbyDetails_CopyMemberAttributeByKey",
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"EOS_LobbyDetails_CopyMemberInfo",
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"EOS_LobbyDetails_GetAttributeCount",
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"EOS_LobbyDetails_GetMemberAttributeCount",
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"EOS_LobbyDetails_GetMemberByIndex",
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"EOS_LobbyDetails_GetMemberCount",
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"EOS_LobbyDetails_Info_Release",
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"EOS_LobbyDetails_MemberInfo_Release",
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"EOS_Lobby_CopyLobbyDetailsHandle",
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"EOS_Lobby_CopyLobbyDetailsHandleByInviteId",
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"EOS_Lobby_CopyLobbyDetailsHandleByUiEventId",
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"EOS_Lobby_UpdateLobby",
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"EOS_Lobby_DestroyLobby",
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"EOS_Lobby_LeaveLobby",
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"EOS_Lobby_AddNotifyLobbyMemberStatusReceived",
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"EOS_Lobby_RemoveNotifyLobbyMemberStatusReceived",
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"EOS_Lobby_AddNotifyLobbyMemberUpdateReceived",
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"EOS_Lobby_RemoveNotifyLobbyMemberUpdateReceived",
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"EOS_Lobby_IsRTCRoomConnected",
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"EOS_Lobby_GetRTCRoomName",
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"EOS_Lobby_Attribute_Release",
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"EOS_Connect_CopyIdToken",
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"EOS_Connect_IdToken_Release",
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"EOS_Connect_VerifyIdToken",
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"EOS_Platform_Tick",
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"EOS_Lobby_IsLobbyOwner",
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"EOS_Lobby_GetInviteCount",
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"EOS_Lobby_CopyInviteIdByIndex",
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"EOS_Lobby_GetConnectString",
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"EOS_Lobby_ParseConnectString",
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"EOS_Platform_GetActiveCountryCode",
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"EOS_Platform_GetActiveLocaleCode",
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]
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funcs = []
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for line in lines:
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line = line.strip()
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if not line: continue
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parts = line.split()
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if len(parts) >= 4:
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funcs.append(parts[-1])
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with open('proxy_asm.s', 'w') as asm:
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asm.write('.text\n')
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for f in funcs:
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if f not in hooks:
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asm.write(f'.globl {f}\n')
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asm.write(f'{f}:\n')
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asm.write(f' jmp *orig_{f}(%rip)\n\n')
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with open('proxy_pointers.h', 'w') as hdr:
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hdr.write('extern "C" {\n')
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for f in funcs:
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if f not in hooks:
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hdr.write(f' void* orig_{f} = nullptr;\n')
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hdr.write('}\n\n')
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hdr.write('void LoadOriginalFunctions(HMODULE hMod) {\n')
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for f in funcs:
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if f not in hooks:
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hdr.write(f' orig_{f} = (void*)GetProcAddress(hMod, "{f}");\n')
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hdr.write('}\n')
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with open('proxy.def', 'w') as out:
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out.write('LIBRARY "EOSSDK-Win64-Shipping.dll"\n')
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out.write('EXPORTS\n')
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for f in funcs:
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out.write(f' {f}\n')
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if __name__ == "__main__":
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main()
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