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68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
// Copyright 2018 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <windows.h>
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#include <ShlObj.h>
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#include <shellapi.h>
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#include <optional>
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#include <string>
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#include <vector>
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#include "Common/CommonFuncs.h"
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#include "Common/StringUtil.h"
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#include "UpdaterCommon/UI.h"
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#include "UpdaterCommon/UpdaterCommon.h"
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// Refer to docs/autoupdate_overview.md for a detailed overview of the autoupdate process
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int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow)
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{
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if (lstrlenW(pCmdLine) == 0)
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{
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MessageBoxW(nullptr,
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L"This updater is not meant to be launched directly. Configure Auto-Update in "
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"Dolphin's settings instead.",
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L"Error", MB_ICONERROR);
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return 1;
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}
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// Test for write permissions
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bool need_admin = false;
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auto path = Common::GetModuleName(hInstance);
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if (!path)
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{
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UI::Error("Failed to get updater filename.");
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return 1;
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}
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const auto test_fh = ::CreateFileW(
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(std::filesystem::path(*path).parent_path() / "directory_writable_check.tmp").c_str(),
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GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS,
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FILE_ATTRIBUTE_TEMPORARY | FILE_FLAG_DELETE_ON_CLOSE, nullptr);
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if (test_fh == INVALID_HANDLE_VALUE)
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need_admin = true;
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else
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CloseHandle(test_fh);
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if (need_admin)
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{
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if (IsUserAnAdmin())
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{
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MessageBox(nullptr, L"Failed to write to directory despite administrator priviliges.",
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L"Error", MB_ICONERROR);
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return 1;
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}
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// Relaunch the updater as administrator
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ShellExecuteW(nullptr, L"runas", path->c_str(), pCmdLine, nullptr, SW_SHOW);
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return 0;
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}
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std::vector<std::string> args = CommandLineToUtf8Argv(pCmdLine);
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return RunUpdater(args) ? 0 : 1;
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}
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