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// Copyright (c) 2016 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "Privilege check" project.
// For details, see https://github.com/egor-tensin/privilege-check.
// Distributed under the MIT License.
#include "cmd_line.hpp"
#include "error.hpp"
#include "process.hpp"
#include <Windows.h>
#include <shellapi.h>
#include <array>
#include <string>
namespace process
{
std::wstring get_executable_path()
{
static constexpr DWORD max_path = MAX_PATH;
std::array<wchar_t, max_path> buf;
const auto ret = GetModuleFileNameW(NULL, buf.data(), max_path);
if (ret != ERROR_SUCCESS)
error::raise("GetModuleFileNameW");
return buf.data();
}
void runas(
const CommandLine& cmd_line,
HWND hwnd,
int nShow)
{
const auto exe_path = cmd_line.has_argv0()
? cmd_line.get_argv0()
: get_executable_path();
SHELLEXECUTEINFOW info;
ZeroMemory(&info, sizeof(info));
info.cbSize = sizeof(info);
info.lpVerb = L"runas";
info.lpFile = exe_path.c_str();
const auto args = cmd_line.join_args();
if (!args.empty())
info.lpParameters = args.c_str();
info.hwnd = hwnd;
info.nShow = nShow;
if (!ShellExecuteExW(&info))
error::raise("ShellExecuteExW");
}
void runas_self(
HWND hwnd,
int nShow)
{
runas(CommandLine::query(), hwnd, nShow);
}
}
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