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PolygonDLL
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Add prototypes for future hooks to be developed 

DataModel::createDataModel and Http::httpGetPostWinInet
This commit is contained in:
pizzaboxer 2022-05-31 22:20:03 +01:00
parent 4e7fd7a02c
commit b06920dc93
12 changed files with 151 additions and 4 deletions
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10
PolygonClientUtilities/Classes.h
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@ -9,6 +9,16 @@ struct DataModel
std::string jobId;
};
struct Http
{
void* padding1[1];
std::string alternateUrl;
void* padding2[4];
std::string url;
};
// const auto DataModel__createDataModel = (void * (__thiscall*)(int a1, char a2))ADDRESS_DATAMODEL__CREATEDATAMODEL;
struct Packet
{
void* padding1[7];

9
PolygonClientUtilities/Config.h
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@ -1,8 +1,8 @@
#pragma once
#define PLAYER2012
#define MFC2010
#define PLAYERBUILD
// #define ARBITERBUILD
#define ARBITERBUILD
// #define DEBUG_SERVERREPLICATOR__PROCESSPACKET
@ -23,12 +23,15 @@
#define ADDRESS_DATAMODEL__GETJOBID 0x005CACC0
#define ADDRESS_STANDARDOUT__PRINT 0x0059F340
#define ADDRESS_NETWORK__RAKNETADDRESSTOSTRING 0x004FC1A0
// #define ADDRESS_NETWORK__RAKNETADDRESSTOSTRING 0x004FC1A0
#define ADDRESS_HTTP__TRUSTCHECK 0x005A2680
#define ADDRESS_CRYPT__VERIFYSIGNATUREBASE64 0x0079ECF0
#define ADDRESS_SERVERREPLICATOR__SENDTOP 0x00506910
#define ADDRESS_SERVERREPLICATOR__PROCESSPACKET 0x00507420
#define ADDRESS_SERVERREPLICATOR__PROCESSTICKET 0x0
#define ADDRESS_DATAMODEL__CREATEDATAMODEL 0x005DC150
#define ADDRESS_GAME__CONSTRUCT 0x0047DBF0
#define ADDRESS_HTTP_HTTPGETPOSTWININET 0x006A9210
// MFC specific definitions
#define CLASSLOCATION_CROBLOXAPP 0x00BFF898

22
PolygonClientUtilities/DebugDatamodel.cpp Normal file
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@ -0,0 +1,22 @@
#include "pch.h"
#include "DebugDatamodel.h"
DataModel__createDataModel_t DataModel__createDataModel = (DataModel__createDataModel_t)0; // ADDRESS_DATAMODEL__CREATEDATAMODEL;
int __fastcall DataModel__createDataModel_hook(int, int, int, bool startHeartbeat)
{
printf("DataModel::createDataModel called\n");
printf("Value of startHeartbeat: %#010x\n", startHeartbeat);
return DataModel__createDataModel(startHeartbeat);
}
/* DataModel__createDataModel_t DataModel__createDataModel = (DataModel__createDataModel_t)ADDRESS_GAME__CONSTRUCT;
int __fastcall DataModel__createDataModel_hook(int _this)
{
printf("Game::Game called\n");
printf("Value of _this: %#010X\n", _this);
return DataModel__createDataModel(_this);
} */

12
PolygonClientUtilities/DebugDatamodel.h Normal file
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@ -0,0 +1,12 @@
#pragma once
#include "Classes.h"
typedef int (__thiscall* DataModel__createDataModel_t)(bool startHeartbeat);
int __fastcall DataModel__createDataModel_hook(int, int, int, bool startHeartbeat);
extern DataModel__createDataModel_t DataModel__createDataModel;
// Game::Game
/* typedef int(__thiscall* DataModel__createDataModel_t)(int _this);
int __fastcall DataModel__createDataModel_hook(int _this);
extern DataModel__createDataModel_t DataModel__createDataModel; */

6
PolygonClientUtilities/MFCCommandLine.cpp
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@ -24,6 +24,12 @@ BOOL __fastcall CRobloxApp__InitInstance_hook(CRobloxApp* _this)
CApp__RobloxAuthenticate(app, nullptr, authenticationUrl.c_str(), authenticationTicket.c_str());
}
// DataModel* datamodel = reinterpret_cast<DataModel*>(CLASSLOCATION_CAPP);
// printf("Attempting to create DataModel...\n");
// char* v27;
// DataModel__createDataModel((int)&v27, 1);
#ifdef PLAYERBUILD
if (hasJoinArg && !joinScriptUrl.empty())
{

4
PolygonClientUtilities/PolygonClientUtilities.vcxproj
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@ -161,10 +161,12 @@
</ItemDefinitionGroup>
<ItemGroup>
<ClInclude Include="Config.h" />
<ClInclude Include="DebugDatamodel.h" />
<ClInclude Include="MFCCommandLine.h" />
<ClInclude Include="PlayerCommandLine.h" />
<ClInclude Include="RCCOutput.h" />
<ClInclude Include="ReplicatorSecurity.h" />
<ClInclude Include="TestHttpGetPost.h" />
<ClInclude Include="TrustCheck.h" />
<ClInclude Include="LUrlParser.h" />
<ClInclude Include="Patches.h" />
@ -175,6 +177,7 @@
<ClInclude Include="VerifySignatureBase64.h" />
</ItemGroup>
<ItemGroup>
<ClCompile Include="DebugDatamodel.cpp" />
<ClCompile Include="dllmain.cpp" />
<ClCompile Include="MFCCommandLine.cpp" />
<ClCompile Include="LUrlParser.cpp">
@ -192,6 +195,7 @@
<ClCompile Include="RCCOutput.cpp" />
<ClCompile Include="ReplicatorSecurity.cpp" />
<ClCompile Include="Hooks.cpp" />
<ClCompile Include="TestHttpGetPost.cpp" />
<ClCompile Include="TrustCheck.cpp" />
<ClCompile Include="Util.cpp" />
<ClCompile Include="VerifySignatureBase64.cpp" />

12
PolygonClientUtilities/PolygonClientUtilities.vcxproj.filters
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@ -60,6 +60,12 @@
<ClInclude Include="RCCOutput.h">
<Filter>Header Files\Hooks</Filter>
</ClInclude>
<ClInclude Include="DebugDatamodel.h">
<Filter>Header Files\Hooks</Filter>
</ClInclude>
<ClInclude Include="TestHttpGetPost.h">
<Filter>Header Files\Hooks</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="dllmain.cpp">
@ -98,5 +104,11 @@
<ClCompile Include="RCCOutput.cpp">
<Filter>Source Files\Hooks</Filter>
</ClCompile>
<ClCompile Include="DebugDatamodel.cpp">
<Filter>Source Files\Hooks</Filter>
</ClCompile>
<ClCompile Include="TestHttpGetPost.cpp">
<Filter>Source Files\Hooks</Filter>
</ClCompile>
</ItemGroup>
</Project>

58
PolygonClientUtilities/TestHttpGetPost.cpp Normal file
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@ -0,0 +1,58 @@
#include "pch.h"
#include "TestHttpGetPost.h"
#include "Util.h"
#include "LUrlParser.h"
Http_httpGetPostWinInet_t Http_httpGetPostWinInet = (Http_httpGetPostWinInet_t)ADDRESS_HTTP_HTTPGETPOSTWININET;
void __fastcall Http_httpGetPostWinInet_hook(Http* _this, void*, bool isPost, int a3, bool compressData, LPCSTR additionalHeaders, int a6)
{
printf("Http::httpGetPostWinInet called\n");
// printf("Value of isPost: %d\n", isPost);
// printf("Value of compressData: %d\n", compressData);
// printf("Value of additionalHeaders: %s\n", additionalHeaders);
// throw std::runtime_error("Jay coleman detected");
/* printf("Length of url: %d\n", *(int*)((int)_this + 60));
printf("Length of url 2: %d\n", _this->url.size());
printf("Length of alternateUrl: %d\n", _this->alternateUrl.size());
printf("\n");
printf("Location of _this+20: %08X\n", (int)_this);
printf("Location of _this->alternateUrl: %p\n", &_this->alternateUrl);
printf("\n");
printf("Location of _this+40: %08X\n", (int)_this + 40);
printf("Location of _this->url: %p\n", &_this->url);
printf("\n"); */
printf("Requested url: %s\n", _this->url.c_str());
LUrlParser::ParseURL parsedUrl = LUrlParser::ParseURL::parseURL(_this->url);
std::string urlPath = Util::toLower(parsedUrl.path_);
if (parsedUrl.host_ == "roblox.com" || parsedUrl.host_ == "www.roblox.com")
{
if (urlPath == "asset" || urlPath == "asset/" || urlPath == "asset/default.ashx")
{
std::string assetUrl = "https://assetdelivery.roblox.com/v1/asset/?" + parsedUrl.query_;
printf("Should swap URL with: %s\n", assetUrl.c_str());
// yep... same access violation i got in polygonutil.dll..........
// yaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaayyyyyyyyyyyyyyyyyyyyyy
_this->url = assetUrl;
}
}
// printf("Host: %s\n", parsedUrl.host_.c_str());
// printf("Path: %s\n", parsedUrl.path_.c_str());
// printf("Query: %s\n", parsedUrl.query_.c_str());
// printf("Fragment: %s\n", parsedUrl.fragment_.c_str());
printf("\n");
Http_httpGetPostWinInet(_this, isPost, a3, compressData, additionalHeaders, a6);
}

7
PolygonClientUtilities/TestHttpGetPost.h Normal file
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@ -0,0 +1,7 @@
#pragma once
#include "Classes.h"
typedef void (__thiscall* Http_httpGetPostWinInet_t)(Http* _this, bool isPost, int a3, bool compressData, LPCSTR additionalHeaders, int a6);
void __fastcall Http_httpGetPostWinInet_hook(Http* _this, void*, bool isPost, int a3, bool compressData, LPCSTR additionalHeaders, int a6);
extern Http_httpGetPostWinInet_t Http_httpGetPostWinInet;

7
PolygonClientUtilities/Util.cpp
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@ -61,4 +61,11 @@ bool Util::isASCII(const std::string& s)
return !std::any_of(s.begin(), s.end(), [](char c) {
return static_cast<unsigned char>(c) > 127;
});
}
// https://stackoverflow.com/questions/313970/how-to-convert-an-instance-of-stdstring-to-lower-case
std::string Util::toLower(std::string s)
{
std::transform(s.begin(), s.end(), s.begin(), [](unsigned char c) { return std::tolower(c); });
return s;
}

1
PolygonClientUtilities/Util.h
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@ -11,4 +11,5 @@ public:
static std::vector<std::string> split(std::string s, std::string delimiter);
static std::map<std::string, std::string> parseArgs(std::string args);
static bool isASCII(const std::string& s);
static std::string toLower(std::string s);
};

7
PolygonClientUtilities/dllmain.cpp
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@ -1,8 +1,10 @@
#include "pch.h"
#include "Config.h"
#include "Patches.h"
// #include "RobloxMFCHooks.h"
//#include "RobloxMFCHooks.h"
// #include "DebugDatamodel.h"
// #include "TestHttpGetPost.h"
#include "TrustCheck.h"
#include "VerifySignatureBase64.h"
@ -23,6 +25,9 @@
#endif
START_PATCH_LIST()
// ADD_PATCH(Http_httpGetPostWinInet, Http_httpGetPostWinInet_hook)
// ADD_PATCH(DataModel__createDataModel, DataModel__createDataModel_hook)
ADD_PATCH(Http__trustCheck, Http__trustCheck_hook)
ADD_PATCH(Crypt__verifySignatureBase64, Crypt__verifySignatureBase64_hook)