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[VSoRC/.git] / node_modules / node-pty / deps / winpty / src / shared / BackgroundDesktop.cc

diff --git a/node_modules/node-pty/deps/winpty/src/shared/BackgroundDesktop.cc b/node_modules/node-pty/deps/winpty/src/shared/BackgroundDesktop.cc
deleted file mode 100644 (file)
index 1bea7e5..0000000
--- a/node_modules/node-pty/deps/winpty/src/shared/BackgroundDesktop.cc
+++ /dev/null
@@ -1,122 +0,0 @@
-// Copyright (c) 2011-2016 Ryan Prichard
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to
-// deal in the Software without restriction, including without limitation the
-// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-// sell copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-// IN THE SOFTWARE.
-
-#include "BackgroundDesktop.h"
-
-#include <memory>
-
-#include "DebugClient.h"
-#include "StringUtil.h"
-#include "WinptyException.h"
-
-namespace {
-
-static std::wstring getObjectName(HANDLE object) {
-    BOOL success;
-    DWORD lengthNeeded = 0;
-    GetUserObjectInformationW(object, UOI_NAME,
-                              nullptr, 0,
-                              &lengthNeeded);
-    ASSERT(lengthNeeded % sizeof(wchar_t) == 0);
-    std::unique_ptr<wchar_t[]> tmp(
-        new wchar_t[lengthNeeded / sizeof(wchar_t)]);
-    success = GetUserObjectInformationW(object, UOI_NAME,
-                                        tmp.get(), lengthNeeded,
-                                        nullptr);
-    if (!success) {
-        throwWindowsError(L"GetUserObjectInformationW failed");
-    }
-    return std::wstring(tmp.get());
-}
-
-static std::wstring getDesktopName(HWINSTA winsta, HDESK desk) {
-    return getObjectName(winsta) + L"\\" + getObjectName(desk);
-}
-
-} // anonymous namespace
-
-// Get a non-interactive window station for the agent.
-// TODO: review security w.r.t. windowstation and desktop.
-BackgroundDesktop::BackgroundDesktop() {
-    try {
-        m_originalStation = GetProcessWindowStation();
-        if (m_originalStation == nullptr) {
-            throwWindowsError(
-                L"BackgroundDesktop ctor: "
-                L"GetProcessWindowStation returned NULL");
-        }
-        m_newStation =
-            CreateWindowStationW(nullptr, 0, WINSTA_ALL_ACCESS, nullptr);
-        if (m_newStation == nullptr) {
-            throwWindowsError(
-                L"BackgroundDesktop ctor: CreateWindowStationW returned NULL");
-        }
-        if (!SetProcessWindowStation(m_newStation)) {
-            throwWindowsError(
-                L"BackgroundDesktop ctor: SetProcessWindowStation failed");
-        }
-        m_newDesktop = CreateDesktopW(
-            L"Default", nullptr, nullptr, 0, GENERIC_ALL, nullptr);
-        if (m_newDesktop == nullptr) {
-            throwWindowsError(
-                L"BackgroundDesktop ctor: CreateDesktopW failed");
-        }
-        m_newDesktopName = getDesktopName(m_newStation, m_newDesktop);
-        TRACE("Created background desktop: %s",
-            utf8FromWide(m_newDesktopName).c_str());
-    } catch (...) {
-        dispose();
-        throw;
-    }
-}
-
-void BackgroundDesktop::dispose() WINPTY_NOEXCEPT {
-    if (m_originalStation != nullptr) {
-        SetProcessWindowStation(m_originalStation);
-        m_originalStation = nullptr;
-    }
-    if (m_newDesktop != nullptr) {
-        CloseDesktop(m_newDesktop);
-        m_newDesktop = nullptr;
-    }
-    if (m_newStation != nullptr) {
-        CloseWindowStation(m_newStation);
-        m_newStation = nullptr;
-    }
-}
-
-std::wstring getCurrentDesktopName() {
-    // MSDN says that the handles returned by GetProcessWindowStation and
-    // GetThreadDesktop do not need to be passed to CloseWindowStation and
-    // CloseDesktop, respectively.
-    const HWINSTA winsta = GetProcessWindowStation();
-    if (winsta == nullptr) {
-        throwWindowsError(
-            L"getCurrentDesktopName: "
-            L"GetProcessWindowStation returned NULL");
-    }
-    const HDESK desk = GetThreadDesktop(GetCurrentThreadId());
-    if (desk == nullptr) {
-        throwWindowsError(
-            L"getCurrentDesktopName: "
-            L"GetThreadDesktop returned NULL");
-    }
-    return getDesktopName(winsta, desk);
-}