summaryrefslogtreecommitdiffstats
path: root/include/systools
diff options
context:
space:
mode:
Diffstat (limited to 'include/systools')
-rw-r--r--include/systools/curlinit.hxx82
-rw-r--r--include/systools/opensslinit.hxx43
-rw-r--r--include/systools/win32/comtools.hxx267
-rw-r--r--include/systools/win32/odbccp32.hxx54
-rw-r--r--include/systools/win32/oleauto.hxx84
-rw-r--r--include/systools/win32/qswin32.h29
-rw-r--r--include/systools/win32/retry_if_failed.hxx38
-rw-r--r--include/systools/win32/uwinapi.h41
-rw-r--r--include/systools/win32/winstoreutil.hxx32
9 files changed, 670 insertions, 0 deletions
diff --git a/include/systools/curlinit.hxx b/include/systools/curlinit.hxx
new file mode 100644
index 0000000000..d03c620a3c
--- /dev/null
+++ b/include/systools/curlinit.hxx
@@ -0,0 +1,82 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <curl/curl.h>
+
+#include <officecfg/Office/Security.hxx>
+
+#if defined(LINUX) && !defined(SYSTEM_CURL)
+#include <com/sun/star/uno/RuntimeException.hpp>
+
+#define LO_CURL_NEEDS_CA_BUNDLE
+#include "opensslinit.hxx"
+#undef LO_CURL_NEEDS_CA_BUNDLE
+#endif
+
+#include <rtl/string.hxx>
+#include <sal/log.hxx>
+
+#include <config_version.h>
+
+static void InitCurl_easy(CURL* const pCURL)
+{
+ CURLcode rc;
+ (void)rc;
+
+#if defined(LINUX) && !defined(SYSTEM_CURL)
+ char const* const path = GetCABundleFile();
+ rc = curl_easy_setopt(pCURL, CURLOPT_CAINFO, path);
+ if (rc != CURLE_OK) // only if OOM?
+ {
+ throw css::uno::RuntimeException("CURLOPT_CAINFO failed");
+ }
+#endif
+
+ if (!officecfg::Office::Security::Net::AllowInsecureProtocols::get())
+ {
+ rc = curl_easy_setopt(pCURL, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1_2);
+ assert(rc == CURLE_OK);
+ rc = curl_easy_setopt(pCURL, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_TLSv1_2);
+ assert(rc == CURLE_OK);
+#if (LIBCURL_VERSION_MAJOR > 7) || (LIBCURL_VERSION_MAJOR == 7 && LIBCURL_VERSION_MINOR >= 85)
+ rc = curl_easy_setopt(pCURL, CURLOPT_PROTOCOLS_STR, "https");
+ assert(rc == CURLE_OK);
+ rc = curl_easy_setopt(pCURL, CURLOPT_REDIR_PROTOCOLS_STR, "https");
+ assert(rc == CURLE_OK);
+#else
+ rc = curl_easy_setopt(pCURL, CURLOPT_PROTOCOLS, CURLPROTO_HTTPS);
+ assert(rc == CURLE_OK);
+ rc = curl_easy_setopt(pCURL, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTPS);
+ assert(rc == CURLE_OK);
+#endif
+ }
+
+ curl_version_info_data const* const pVersion(curl_version_info(CURLVERSION_NOW));
+ assert(pVersion);
+ SAL_INFO("ucb.ucp.webdav.curl",
+ "curl version: " << pVersion->version << " " << pVersion->host
+ << " features: " << ::std::hex << pVersion->features << " ssl: "
+ << pVersion->ssl_version << " libz: " << pVersion->libz_version);
+ // Make sure a User-Agent header is always included, as at least
+ // en.wikipedia.org:80 forces back 403 "Scripts should use an informative
+ // User-Agent string with contact information, or they may be IP-blocked
+ // without notice" otherwise:
+ OString const useragent(
+ OString::Concat("LibreOffice " LIBO_VERSION_DOTTED " denylistedbackend/")
+ + pVersion->version + " " + pVersion->ssl_version);
+ // looks like an explicit "User-Agent" header in CURLOPT_HTTPHEADER
+ // will override CURLOPT_USERAGENT, see Curl_http_useragent(), so no need
+ // to check anything here
+ rc = curl_easy_setopt(pCURL, CURLOPT_USERAGENT, useragent.getStr());
+ assert(rc == CURLE_OK);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/include/systools/opensslinit.hxx b/include/systools/opensslinit.hxx
new file mode 100644
index 0000000000..04f38faa08
--- /dev/null
+++ b/include/systools/opensslinit.hxx
@@ -0,0 +1,43 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <config_crypto.h>
+
+// Also include/systools/curlinit.hxx needs GetCABundleFile() if
+// !defined(SYSTEM_CURL) it defines LO_CURL_NEEDS_CA_BUNDLE.
+#if defined(LINUX) && (!defined(SYSTEM_OPENSSL) || defined(LO_CURL_NEEDS_CA_BUNDLE))
+#include <com/sun/star/uno/RuntimeException.hpp>
+
+#include <unistd.h>
+
+static char const* GetCABundleFile()
+{
+ // try system ones first; inspired by:
+ // https://www.happyassassin.net/posts/2015/01/12/a-note-about-ssltls-trusted-certificate-stores-and-platforms/
+ auto const candidates = {
+ "/etc/pki/tls/certs/ca-bundle.crt",
+ "/etc/pki/tls/certs/ca-bundle.trust.crt",
+ "/etc/ssl/certs/ca-certificates.crt",
+ "/var/lib/ca-certificates/ca-bundle.pem",
+ };
+ for (char const* const candidate : candidates)
+ {
+ if (access(candidate, R_OK) == 0)
+ {
+ return candidate;
+ }
+ }
+
+ throw css::uno::RuntimeException("no OpenSSL CA certificate bundle found");
+}
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/include/systools/win32/comtools.hxx b/include/systools/win32/comtools.hxx
new file mode 100644
index 0000000000..1d618051d2
--- /dev/null
+++ b/include/systools/win32/comtools.hxx
@@ -0,0 +1,267 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <string>
+#include <string_view>
+#include <stdexcept>
+#include <type_traits>
+#include <utility>
+
+#include <prewin.h>
+#include <objbase.h>
+#include <postwin.h>
+
+namespace sal::systools
+{
+ /* Simple exception class for propagating COM errors */
+ class ComError : public std::runtime_error
+ {
+ public:
+ ComError(const std::string& message, HRESULT hr) :
+ std::runtime_error(message),
+ hr_(hr)
+ {}
+
+ HRESULT GetHresult() const { return hr_; }
+
+ private:
+ HRESULT hr_;
+ };
+
+ /* Convert failed HRESULT to thrown ComError */
+ inline void ThrowIfFailed(HRESULT hr, std::string_view msg)
+ {
+ if (FAILED(hr))
+ throw ComError(std::string(msg), hr);
+ }
+
+ /* A guard class to call CoInitializeEx/CoUninitialize in proper pairs
+ * See also: o3tl::safeCoInitializeEx doing dangerous re-initialization
+ */
+ class CoInitializeGuard
+ {
+ public:
+ enum class WhenFailed
+ {
+ NoThrow, // do not throw
+ Throw, // throw on failure
+ Abort, // std::abort on failure
+ };
+ explicit CoInitializeGuard(DWORD dwCoInit, bool failChangeMode = false,
+ WhenFailed whenFailed = WhenFailed::Throw)
+ {
+ HRESULT hr = ::CoInitializeEx(nullptr, dwCoInit);
+ if (whenFailed != WhenFailed::NoThrow && FAILED(hr)
+ && (failChangeMode || hr != RPC_E_CHANGED_MODE))
+ {
+ if (whenFailed == WhenFailed::Throw)
+ throw ComError("CoInitializeEx failed", hr);
+ else // if (whenFailed == Abort)
+ std::abort();
+ }
+ mbUninit = SUCCEEDED(hr);
+ }
+ CoInitializeGuard(const CoInitializeGuard&) = delete; // non-construction-copyable
+ void operator=(const CoInitializeGuard&) = delete; // non-copyable
+ ~CoInitializeGuard()
+ {
+ if (mbUninit)
+ ::CoUninitialize();
+ }
+
+ private:
+ bool mbUninit;
+ };
+
+ struct COM_QUERY_TAG {} constexpr COM_QUERY;
+ struct COM_QUERY_THROW_TAG {} constexpr COM_QUERY_THROW;
+ template <typename TAG>
+ constexpr bool is_COM_query_tag
+ = std::is_same_v<TAG, COM_QUERY_TAG> || std::is_same_v<TAG, COM_QUERY_THROW_TAG>;
+
+ /* A simple COM smart pointer template */
+ template <typename T>
+ class COMReference
+ {
+ public:
+ /* Explicitly controllable whether AddRef will be called or not */
+ COMReference(T* comptr = nullptr, bool bAddRef = true) :
+ com_ptr_(comptr)
+ {
+ if (bAddRef)
+ addRef(com_ptr_);
+ }
+
+ COMReference(const COMReference<T>& other) :
+ COMReference(other.com_ptr_)
+ {
+ }
+
+ COMReference(COMReference<T>&& other) :
+ COMReference(std::exchange(other.com_ptr_, nullptr), false)
+ {
+ }
+
+ // Query from IUnknown*, using COM_QUERY or COM_QUERY_THROW tags
+ template <typename T2, typename TAG>
+ COMReference(const COMReference<T2>& p, TAG t)
+ : COMReference(p.template QueryInterface<T>(t))
+ {
+ }
+
+ // Using CoCreateInstance
+ COMReference(REFCLSID clsid, IUnknown* pOuter = nullptr, DWORD nCtx = CLSCTX_ALL)
+ : com_ptr_(nullptr)
+ {
+ ThrowIfFailed(CoCreateInstance(clsid, pOuter, nCtx), "CoCreateInstance failed");
+ }
+
+ COMReference<T>& operator=(const COMReference<T>& other)
+ {
+ return operator=(other.com_ptr_);
+ }
+
+ COMReference<T>& operator=(COMReference<T>&& other)
+ {
+ if (com_ptr_ != other.com_ptr_)
+ {
+ clear();
+ std::swap(com_ptr_, other.com_ptr_);
+ }
+ return *this;
+ }
+
+ COMReference<T>& operator=(T* comptr)
+ {
+ assign(comptr);
+ return *this;
+ }
+
+ ~COMReference() { release(com_ptr_); }
+
+ template <typename T2, typename TAG, std::enable_if_t<is_COM_query_tag<TAG>, int> = 0>
+ COMReference<T2> QueryInterface(TAG) const
+ {
+ T2* ip = nullptr;
+ HRESULT hr = E_POINTER;
+ if (com_ptr_)
+ hr = com_ptr_->QueryInterface(&ip);
+
+ if constexpr (std::is_same_v<TAG, COM_QUERY_THROW_TAG>)
+ ThrowIfFailed(hr, "QueryInterface failed");
+
+ return { ip, false };
+ }
+
+ template <typename T2, typename TAG>
+ COMReference<T>& set(const COMReference<T2>& p, TAG t)
+ {
+ return operator=(p.template QueryInterface<T>(t));
+ }
+
+ HRESULT CoCreateInstance(REFCLSID clsid, IUnknown* pOuter = nullptr,
+ DWORD nCtx = CLSCTX_ALL)
+ {
+ T* ip;
+ HRESULT hr = ::CoCreateInstance(clsid, pOuter, nCtx, IID_PPV_ARGS(&ip));
+ if (SUCCEEDED(hr))
+ release(std::exchange(com_ptr_, ip));
+ return hr;
+ }
+
+ HRESULT CoGetClassObject(REFCLSID clsid, DWORD nCtx = CLSCTX_ALL)
+ {
+ T* ip;
+ HRESULT hr = ::CoGetClassObject(clsid, nCtx, nullptr, IID_PPV_ARGS(&ip));
+ if (SUCCEEDED(hr))
+ release(std::exchange(com_ptr_, ip));
+ return hr;
+ }
+
+ T* operator->() const { return com_ptr_; }
+
+ T& operator*() const { return *com_ptr_; }
+
+ /* Necessary for assigning com_ptr_ from functions like
+ CoCreateInstance which require a 'void**' */
+ T** operator&()
+ {
+ clear();
+ return &com_ptr_;
+ }
+
+ T* get() const { return com_ptr_; }
+ operator T* () const { return get(); }
+
+ void clear() { assign(nullptr); }
+
+ bool is() const { return (com_ptr_ != nullptr); }
+ operator bool() const { return is(); }
+
+ private:
+ static void addRef(T* ptr)
+ {
+ if (ptr)
+ ptr->AddRef();
+ }
+
+ static void release(T* ptr)
+ {
+ if (ptr)
+ ptr->Release();
+ }
+
+ void assign(T* ptr)
+ {
+ if (com_ptr_ == ptr)
+ return;
+ addRef(ptr);
+ release(std::exchange(com_ptr_, ptr));
+ }
+
+ T* com_ptr_;
+ };
+
+ // A class to use with functions taking an out pointer argument,
+ // that needs to be freed with CoTaskMemFree - like SHGetKnownFolderPath
+ template <typename T> class CoTaskMemAllocated
+ {
+ public:
+ ~CoTaskMemAllocated() { CoTaskMemFree(m_pv); }
+
+ T** operator&()
+ {
+ CoTaskMemFree(std::exchange(m_pv, nullptr));
+ return &m_pv;
+ };
+
+ operator T*() { return m_pv; }
+
+ private:
+ T* m_pv = nullptr;
+ };
+
+} // sal::systools
+
+/* Typedefs for some popular COM interfaces */
+typedef sal::systools::COMReference<IDataObject> IDataObjectPtr;
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/systools/win32/odbccp32.hxx b/include/systools/win32/odbccp32.hxx
new file mode 100644
index 0000000000..bbfaf9eecb
--- /dev/null
+++ b/include/systools/win32/odbccp32.hxx
@@ -0,0 +1,54 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <prewin.h>
+#include <postwin.h>
+
+namespace sal::systools
+{
+// Linking to odbccp32 requires also legacy_stdio_definitions; and that breaks
+// in some configurations, with make error 139. Load it dynamically instead.
+class odbccp32
+{
+public:
+ odbccp32()
+ : m_hDLL(LoadLibraryW(L"odbccp32.dll"))
+ {
+ }
+ ~odbccp32() { FreeLibrary(m_hDLL); }
+
+ bool SQLGetInstalledDrivers(LPWSTR sBuf, WORD nBufSize) const
+ {
+ using proc_t = BOOL __stdcall(LPWSTR, WORD, WORD*);
+ return Invoke<proc_t>("SQLGetInstalledDriversW", sBuf, nBufSize, nullptr);
+ }
+
+ bool SQLManageDataSources(HWND hwndParent)
+ {
+ using proc_t = BOOL __stdcall(HWND);
+ return Invoke<proc_t>("SQLManageDataSources", hwndParent);
+ }
+
+private:
+ template <typename proc_t, typename... Args> bool Invoke(const char* func, Args... args) const
+ {
+ if (auto pFunc = reinterpret_cast<proc_t*>(GetProcAddress(m_hDLL, func)))
+ return pFunc(args...);
+ return false;
+ }
+
+ HMODULE m_hDLL;
+};
+} // sal::systools
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/include/systools/win32/oleauto.hxx b/include/systools/win32/oleauto.hxx
new file mode 100644
index 0000000000..c01ac1225f
--- /dev/null
+++ b/include/systools/win32/oleauto.hxx
@@ -0,0 +1,84 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <cassert>
+#include <string_view>
+#include <utility>
+
+#include <prewin.h>
+#include <oleauto.h>
+#include <postwin.h>
+
+#include <o3tl/char16_t2wchar_t.hxx>
+
+namespace sal::systools
+{
+// BSTR safe wrapper
+class BStr
+{
+public:
+ BStr() = default;
+ BStr(std::u16string_view sv)
+ : m_Str(::SysAllocStringLen(o3tl::toW(sv.data()), sv.length()))
+ {
+ }
+ BStr(const BStr& src)
+ : BStr(std::u16string_view(src))
+ {
+ }
+ BStr(BStr&& src)
+ : m_Str(std::exchange(src.m_Str, nullptr))
+ {
+ }
+ ~BStr() { ::SysFreeString(m_Str); }
+ BStr& operator=(std::u16string_view sv)
+ {
+ ::SysFreeString(
+ std::exchange(m_Str, ::SysAllocStringLen(o3tl::toW(sv.data()), sv.length())));
+ return *this;
+ }
+ BStr& operator=(const BStr& src)
+ {
+ if (&src != this)
+ operator=(std::u16string_view(src));
+ return *this;
+ }
+ BStr& operator=(BStr&& src)
+ {
+ ::SysFreeString(std::exchange(m_Str, std::exchange(src.m_Str, nullptr)));
+ return *this;
+ }
+ operator std::u16string_view() const { return { o3tl::toU(m_Str), length() }; }
+ operator BSTR() const { return m_Str; }
+ BSTR* operator&()
+ {
+ assert(!m_Str);
+ return &m_Str;
+ }
+ UINT length() const { return ::SysStringLen(m_Str); }
+
+private:
+ BSTR m_Str = nullptr;
+};
+
+} // sal::systools
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/include/systools/win32/qswin32.h b/include/systools/win32/qswin32.h
new file mode 100644
index 0000000000..8bc7cac5e8
--- /dev/null
+++ b/include/systools/win32/qswin32.h
@@ -0,0 +1,29 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SYSTOOLS_WIN32_QSWIN32_H
+#define INCLUDED_SYSTOOLS_WIN32_QSWIN32_H
+
+#define QUICKSTART_CLASSNAME L"LO Listener Class"
+#define QUICKSTART_WINDOWNAME L"LO Listener Window"
+#define SHUTDOWN_QUICKSTART_MESSAGE L"LO KillTray"
+
+#endif // INCLUDED_SYSTOOLS_WIN32_QSWIN32_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/systools/win32/retry_if_failed.hxx b/include/systools/win32/retry_if_failed.hxx
new file mode 100644
index 0000000000..1372843ab8
--- /dev/null
+++ b/include/systools/win32/retry_if_failed.hxx
@@ -0,0 +1,38 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <type_traits>
+#include <systools/win32/uwinapi.h>
+
+#pragma comment(lib, "Kernel32.lib") // for Sleep
+
+namespace sal::systools
+{
+// Some system calls (e.g., clipboard access functions) may fail first time, because the resource
+// may only be accessed by one process at a time. This function allows to retry failed call up to
+// specified number of times with a specified timeout (in ms), until the call succeeds or the limit
+// of attempts is exceeded.
+// Usage:
+// HRESULT hr = sal::systools::RetryIfFailed(10, 100, []{ return OleFlushClipboard(); });
+template <typename Func>
+std::enable_if_t<std::is_same_v<std::invoke_result_t<Func>, HRESULT>, HRESULT>
+RetryIfFailed(unsigned times, unsigned msTimeout, Func func)
+{
+ for (unsigned i = 0;; ++i)
+ {
+ if (HRESULT hr = func(); SUCCEEDED(hr) || i >= times)
+ return hr;
+ Sleep(msTimeout);
+ }
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/include/systools/win32/uwinapi.h b/include/systools/win32/uwinapi.h
new file mode 100644
index 0000000000..501c9aa38e
--- /dev/null
+++ b/include/systools/win32/uwinapi.h
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SYSTOOLS_WIN32_UWINAPI_H
+#define INCLUDED_SYSTOOLS_WIN32_UWINAPI_H
+
+#include <prewin.h>
+#include <postwin.h>
+
+#ifdef __cplusplus
+
+inline bool IsValidHandle(HANDLE handle)
+{
+ return handle != INVALID_HANDLE_VALUE && handle != nullptr;
+}
+
+#else /* __cplusplus */
+
+#define IsValidHandle(Handle) ((DWORD_PTR)(Handle) + 1 > 1)
+
+#endif /* __cplusplus */
+
+#endif // INCLUDED_SYSTOOLS_WIN32_UWINAPI_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/systools/win32/winstoreutil.hxx b/include/systools/win32/winstoreutil.hxx
new file mode 100644
index 0000000000..aa0a70e644
--- /dev/null
+++ b/include/systools/win32/winstoreutil.hxx
@@ -0,0 +1,32 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <prewin.h>
+#include <postwin.h>
+
+namespace sal::systools
+{
+// Returns true if the current process is run as a Windows store app, which has some specifics
+inline bool IsStorePackagedApp()
+{
+ // GetCurrentPackageFullName is only available since Windows 8
+ HMODULE hDll = GetModuleHandleW(L"kernel32.dll");
+ using Func_t = LONG WINAPI(UINT32*, PWSTR);
+ if (auto pFunc = reinterpret_cast<Func_t*>(GetProcAddress(hDll, "GetCurrentPackageFullName")))
+ if (UINT32 size = 0; pFunc(&size, nullptr) == ERROR_INSUFFICIENT_BUFFER)
+ return true;
+ return false;
+}
+} // sal::systools
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 21:55:47 +0000