223 lines
5.6 KiB
C++
223 lines
5.6 KiB
C++
/*
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* BrainLILO
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* U-Boot loader for electric dictionary.
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*
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* Copyright (C) 2019 C. Shirasaka <holly_programmer@outlook.com>
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* based on
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** ResetKitHelper
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** Soft/hard reset the electronic dictionary.
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**
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** Copyright (C) 2012 T. Kawada <tcppjp [ at ] gmail.com>
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*
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* This file is licensed in MIT license.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#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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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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// 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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if(buffer[i]==L'/' || buffer[i]==L'\\'){
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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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HANDLE handle;
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handle=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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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 bool addDriverToRegistry(){
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HKEY hKey;
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DWORD dw;
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RegCreateKeyEx(HKEY_LOCAL_MACHINE, (L"Drivers\\BuiltIn\\LILODrv"), 0, NULL, REG_OPTION_NON_VOLATILE, 0, NULL, &hKey, &dw);
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dw = 0x0000;
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if(RegSetValueEx(hKey, (L"Index"), 0, REG_DWORD, (BYTE*)&dw, sizeof(DWORD)) != ERROR_SUCCESS)
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{
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RegCloseKey(hKey);
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return false;
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}
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dw = 0x0100;
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if(RegSetValueEx(hKey, (L"Order"), 0, REG_DWORD, (BYTE*)&dw, sizeof(DWORD)) != ERROR_SUCCESS)
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{
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RegCloseKey(hKey);
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return false;
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}
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if(RegSetValueEx(hKey, (L"Dll"), 0, REG_SZ, (BYTE*)(L"\\Windows\\BrainLILODrv.dll"), sizeof(TCHAR) * ((DWORD)wcslen((L"\\Windows\\BrainLILODrv.dll")) + 1)) != ERROR_SUCCESS)
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{
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RegCloseKey(hKey);
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return false;
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}
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if(RegSetValueEx(hKey, (L"Prefix"), 0, REG_SZ, (BYTE*)(L"LIN"), sizeof(TCHAR) * ((DWORD)wcslen((L"LIN")) + 1)) != ERROR_SUCCESS)
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{
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RegCloseKey(hKey);
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return false;
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}
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return true;
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}
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static void loadDriverIfNeeded(){
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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\"",
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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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if(GetFileAttributes(newDriverPath)==(DWORD)-1){
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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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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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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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}catch(DWORD e){
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err=e;
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}
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if(!driver && (err!=0x964)){
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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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if(g_helperHandle)
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return;
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g_helperHandle=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,
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DWORD ul_reason_for_call,
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LPVOID lpReserved
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)
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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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initialize();
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loadDriverIfNeeded();
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openDriver();
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return DeviceIoControl(g_helperHandle, IOCTL_LIN_DO_LINUX,
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NULL, 0, NULL, 0,
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NULL, NULL);
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} |