dolphin/Source/Core/WinUpdater/Main.cpp
2019-04-10 10:46:49 +02:00

83 lines
1.8 KiB
C++

// Copyright 2018 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <windows.h>
#include <ShlObj.h>
#include <shellapi.h>
#include <string>
#include <vector>
#include "Common/StringUtil.h"
#include "UpdaterCommon/UI.h"
#include "UpdaterCommon/UpdaterCommon.h"
namespace
{
std::vector<std::string> CommandLineToUtf8Argv(PCWSTR command_line)
{
int nargs;
LPWSTR* tokenized = CommandLineToArgvW(command_line, &nargs);
if (!tokenized)
return {};
std::vector<std::string> argv(nargs);
for (int i = 0; i < nargs; ++i)
{
argv[i] = UTF16ToUTF8(tokenized[i]);
}
LocalFree(tokenized);
return argv;
}
}; // namespace
int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow)
{
if (lstrlenW(pCmdLine) == 0)
{
MessageBox(nullptr,
L"This updater is not meant to be launched directly. Configure Auto-Update in "
"Dolphin's settings instead.",
L"Error", MB_ICONERROR);
return 1;
}
// Test for write permissions
bool need_admin = false;
FILE* test_fh = fopen("Updater.log", "w");
if (test_fh == nullptr)
need_admin = true;
else
fclose(test_fh);
if (need_admin)
{
if (IsUserAnAdmin())
{
MessageBox(nullptr, L"Failed to write to directory despite administrator priviliges.",
L"Error", MB_ICONERROR);
return 1;
}
wchar_t path[MAX_PATH];
if (GetModuleFileName(hInstance, path, sizeof(path)) == 0)
{
MessageBox(nullptr, L"Failed to get updater filename.", L"Error", MB_ICONERROR);
return 1;
}
// Relaunch the updater as administrator
ShellExecuteW(nullptr, L"runas", path, pCmdLine, NULL, SW_SHOW);
return 0;
}
std::vector<std::string> args = CommandLineToUtf8Argv(pCmdLine);
return RunUpdater(args) ? 0 : 1;
}