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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,9 +1,9 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> | ||
| <ItemGroup> | ||
| <ClCompile Include="src\main.cpp" /> | ||
| <ClCompile Include="src\main.c" /> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <CustomBuild Include="config\gameInfo.txt" /> | ||
| <CustomBuild Include="config\shortcutInfo.txt" /> | ||
| </ItemGroup> | ||
| </Project> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| #include <stdint.h> | ||
| #include <stdio.h> | ||
| #include <xtl.h> | ||
|
|
||
| #define ERROR_LENGTH 200 | ||
|
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| // Structs and function prototypes from xboxkrnl.exe | ||
| typedef struct _STRING | ||
| { | ||
| uint16_t wLength; | ||
| uint16_t wMaxLength; | ||
| char *szBuffer; | ||
| } STRING; | ||
|
|
||
| void RtlInitAnsiString(STRING *pDestinationString, const char *szSourceString); | ||
| HRESULT ObCreateSymbolicLink(STRING *pLinkName, STRING *pDevicePath); | ||
|
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| // Allow the game to access the entire hard drive. | ||
| // The system only allows executables to access the directory they live in and binds it to | ||
| // the "game:" drive. Nothing else is accessible unless you create a symbolic link. | ||
| static HRESULT MountHdd() | ||
| { | ||
| STRING DeviceName = { 0 }; | ||
| STRING LinkName = { 0 }; | ||
| const char *szDestinationDrive = "\\??\\hdd:"; | ||
| const char *szHddDevicePath = "\\Device\\Harddisk0\\Partition1\\"; | ||
|
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| // Initialize the STRING structs | ||
| RtlInitAnsiString(&DeviceName, szHddDevicePath); | ||
| RtlInitAnsiString(&LinkName, szDestinationDrive); | ||
|
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| // Bind the root of the hard drive to the "hdd:" drive. | ||
| return ObCreateSymbolicLink(&LinkName, &DeviceName); | ||
| } | ||
|
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| // Read the path to the executable from the config file and write it to szGamePath. | ||
| static HRESULT GetGamePath(char *szGamePath, size_t nMaxLength) | ||
| { | ||
| HRESULT hr = S_OK; | ||
| size_t i = 0; | ||
| FILE *pConfigFile = NULL; | ||
| size_t nGamePathSize = 0; | ||
|
|
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| // Open the config file in read-only mode | ||
| if (fopen_s(&pConfigFile, "game:\\config\\shortcutInfo.txt", "r") != 0) | ||
| return E_FAIL; | ||
|
|
||
| // Read the second line of the config file into szGamePath | ||
| for (i = 0; i < 2; i++) | ||
| if (fgets(szGamePath, (int)nMaxLength, pConfigFile) == NULL) | ||
| return E_FAIL; | ||
|
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| nGamePathSize = strnlen_s(szGamePath, nMaxLength); | ||
|
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| // Remove the new line character at the end of the line | ||
| szGamePath[nGamePathSize - 1] = '\0'; | ||
|
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| fclose(pConfigFile); | ||
|
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| return hr; | ||
| } | ||
|
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||
| // Display an error dialog on the console. | ||
| static HRESULT ShowMessageBoxError(const char *szMessage) | ||
| { | ||
| DWORD dwResult = 0; | ||
|
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| wchar_t wszMessage[ERROR_LENGTH] = { 0 }; | ||
| XOVERLAPPED Overlapped = { 0 }; | ||
| MESSAGEBOX_RESULT Result = { 0 }; | ||
| const wchar_t *pwszButtons[] = { L"OK", L"Cancel" }; | ||
|
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| // Convert szMessage, which is a narrow string, to a wide string | ||
| mbstowcs_s(NULL, wszMessage, ERROR_LENGTH, szMessage, _TRUNCATE); | ||
|
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| dwResult = XShowMessageBoxUI( | ||
| 0, | ||
| L"Error", | ||
| wszMessage, | ||
| ARRAYSIZE(pwszButtons), | ||
| pwszButtons, | ||
| 0, | ||
| XMB_ERRORICON, | ||
| &Result, | ||
| &Overlapped | ||
| ); | ||
|
|
||
| if (dwResult != ERROR_IO_PENDING) | ||
| return E_FAIL; | ||
|
|
||
| // Wait until the user closes the message box | ||
| while (!XHasOverlappedIoCompleted(&Overlapped)) | ||
| Sleep(100); | ||
|
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| // Get how the user closed the message box (by clicking "OK", "Cancel" or the Xbox button on the controller) | ||
| dwResult = XGetOverlappedResult(&Overlapped, NULL, TRUE); | ||
|
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| if (dwResult == ERROR_ACCESS_DENIED) | ||
| return E_FAIL; | ||
|
|
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| return S_OK; | ||
| } | ||
|
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| int main() | ||
| { | ||
| HRESULT hr = S_OK; | ||
| char szGamePath[MAX_PATH] = { 0 }; | ||
|
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| // Mount the entire hard drive to be able to access any path in it | ||
| hr = MountHdd(); | ||
| if (FAILED(hr)) | ||
| { | ||
| ShowMessageBoxError("Could not mount HDD1."); | ||
| return EXIT_FAILURE; | ||
| } | ||
|
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| // Read the path to the executable | ||
| hr = GetGamePath(szGamePath, MAX_PATH); | ||
| if (FAILED(hr)) | ||
| { | ||
| ShowMessageBoxError("The game information file (config\\shortcutInfo.txt) could not be loaded or has a wrong format."); | ||
| return EXIT_FAILURE; | ||
| } | ||
|
|
||
| // Launch the executable | ||
| XLaunchNewImage(szGamePath, 0); | ||
| } |
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