162 lines
3.4 KiB
C++
162 lines
3.4 KiB
C++
#define BRAINLILO_API extern "C" __declspec(dllexport)
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#include "BrainLILO.h"
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#include "BrainLILODrv.h"
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#include <string.h>
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static bool g_initialized = false;
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static HANDLE g_helperHandle = NULL;
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static HINSTANCE g_hInstance;
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static void initialize()
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{
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if (g_initialized)
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return;
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g_initialized = true;
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}
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static void getThisDllDirectoryPath(LPWSTR buffer)
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{
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// retrive the path of the application.
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GetModuleFileName(g_hInstance, buffer, 512);
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const size_t notFound = (size_t)-1;
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size_t i = 0;
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size_t j = notFound;
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while (buffer[i])
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{
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if (buffer[i] == L'/' || buffer[i] == L'\\')
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{
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j = i;
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}
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i++;
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}
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if (j == notFound)
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return;
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buffer[j] = 0;
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}
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static bool isDriverLoaded()
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{
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HANDLE handle;
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handle =
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CreateFile(L"LIN0:", GENERIC_READ | GENERIC_WRITE | FILE_WRITE_ATTRIBUTES, 0, NULL, OPEN_EXISTING, 0, NULL);
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if (handle == INVALID_HANDLE_VALUE)
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handle = NULL;
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if (handle)
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{
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CloseHandle(handle);
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return true;
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}
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return false;
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}
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static void loadDriverIfNeeded()
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{
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if (isDriverLoaded())
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return;
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OutputDebugString(L"BrainLILO: installing LILODriver...");
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DWORD err;
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HANDLE driver = NULL;
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wchar_t driverPath[1024];
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getThisDllDirectoryPath(driverPath);
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TCHAR newDriverPath[128];
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getThisDllDirectoryPath(driverPath);
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wcscat(driverPath, L"\\BrainLILODrv.dll");
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wcscpy(newDriverPath, L"\\Windows\\BrainLILODrv.dll");
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{
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wchar_t buf[1024];
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swprintf(buf, L"BrainLILO: copying \"%ls\" to \"%ls\"", driverPath, newDriverPath);
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OutputDebugString(buf);
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}
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if (!CopyFile(driverPath, newDriverPath, FALSE))
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{
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if (GetFileAttributes(newDriverPath) == (DWORD)-1)
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{
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OutputDebugString(L"BrainLILO: failed to copy");
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return;
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}
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}
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OutputDebugString(L"BrainLILO: registering BrainLILODriver...");
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try
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{
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driver = RegisterDevice(L"LIN", 0, L"\\Windows\\BrainLILODrv.dll", 0);
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if (driver == INVALID_HANDLE_VALUE)
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driver = NULL;
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if (!driver)
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{
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driver = RegisterDevice(L"LIN", 0, L"BrainLILODrv.dll", 0);
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if (driver == INVALID_HANDLE_VALUE)
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driver = NULL;
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}
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err = GetLastError();
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}
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catch (DWORD e)
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{
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err = e;
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}
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if (!driver && (err != 0x964))
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{
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OutputDebugString(L"BrainLILO: failed to install...");
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return;
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}
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}
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static void openDriver()
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{
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if (g_helperHandle)
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return;
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g_helperHandle =
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CreateFile(L"LIN0:", GENERIC_READ | GENERIC_WRITE | FILE_WRITE_ATTRIBUTES, 0, NULL, OPEN_EXISTING, 0, NULL);
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if (g_helperHandle == INVALID_HANDLE_VALUE)
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g_helperHandle = NULL;
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}
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extern "C" BOOL APIENTRY DllMain(HINSTANCE hInstance, DWORD ul_reason_for_call, LPVOID lpReserved)
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{
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switch (ul_reason_for_call)
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{
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case DLL_PROCESS_ATTACH:
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case DLL_THREAD_ATTACH:
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g_hInstance = hInstance;
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initialize();
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loadDriverIfNeeded();
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openDriver();
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case DLL_THREAD_DETACH:
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case DLL_PROCESS_DETACH:
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break;
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}
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return TRUE;
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}
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BRAINLILO_API BOOL RKDoSoftReset()
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{
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initialize();
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loadDriverIfNeeded();
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openDriver();
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return DeviceIoControl(g_helperHandle, IOCTL_LIN_DO_LINUX, NULL, 0, NULL, 0, NULL, NULL);
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} |