office-gobmx/configmgr/source/winreg.cxx
Mike Kaganski 3d236177be Deduplicate O(U)StringConcatenation
And use an overloaded helper function with a better (?) unified name
to show that the result is not an O(U)String.

Change-Id: I8956338b05d02bf46a6185828130ea8ef145d46b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/141203
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
2022-10-11 12:46:01 +02:00

331 lines
12 KiB
C++

/* -*- 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/.
*
*/
#include <cwchar>
#include <memory>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <msiquery.h>
#include <com/sun/star/uno/RuntimeException.hpp>
#include <com/sun/star/uno/XInterface.hpp>
#include <rtl/ustring.hxx>
#include <sal/log.hxx>
#include <osl/file.h>
#include <osl/file.hxx>
#include <o3tl/char16_t2wchar_t.hxx>
#include "winreg.hxx"
#include "writemodfile.hxx"
#define MAX_KEY_LENGTH 255
namespace configmgr {
namespace {
// This is not a generic registry reader. We assume the following structure:
// Last element of Key becomes prop, first part is the path and optionally nodes,
// when the node has oor:op attribute.
// Values can be the following: Value (string), Type (string, optional),
// Final (dword, optional), External (dword, optional), ExternalBackend (string, optional),
// Nil (dword, optional)
//
// For example the following registry setting:
// [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\LibreOffice\org.openoffice.UserProfile\Data\o]
// "Value"="Example Corp."
// "Final"=dword:00000001
// becomes the following in configuration:
// <!-- set the Company name -->
// <item oor:path="/org.openoffice.UserProfile/Data">
// <prop oor:name="o" oor:finalized="true">
// <value>Example Corp.</value>
// </prop>
// </item>
//
// Another example:
// [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\LibreOffice\org.openoffice.Office.OptionsDialog\OptionsDialogGroups\ProductName/#fuse\Pages\Java/#fuse\Hide]
// "Value"="true"
// becomes the following in configuration:
// <!-- Hide Tools - Options - LibreOffice - Advanced panel -->
// <item oor:path="/org.openoffice.Office.OptionsDialog/OptionsDialogGroups">
// <node oor:name="ProductName" oor:op="fuse">
// <node oor:name="Pages">
// <node oor:name="Java" oor:op="fuse">
// <prop oor:name="Hide">
// <value>true</value>
// </prop>
// </node>
// </node>
// </node>
// </item>
//
// Third example (property of an extensible group -> needs type):
// [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\LibreOffice\org.openoffice.Office.Jobs\Jobs\org.openoffice.Office.Jobs:Job['UpdateCheck']\Arguments\AutoCheckEnabled]
// "Value"="false"
// "Final"=dword:00000001
// "Type"="xs:boolean"
// becomes the following in configuration:
// <item oor:path="/org.openoffice.Office.Jobs/Jobs/org.openoffice.Office.Jobs:Job['UpdateCheck']/Arguments">
// <prop oor:name="AutoCheckEnabled" oor:type="xs:boolean" oor:finalized="true">
// <value>false</value>
// </prop>
// </item>
//
// External (component data) example:
// [HKEY_CURRENT_USER\Software\Policies\LibreOffice\org.openoffice.UserProfile\Data\o]
// "Value"="company"
// "Final"=dword:00000001
// "External"=dword:00000001
// "ExternalBackend"="com.sun.star.configuration.backend.LdapUserProfileBe"
// becomes the following in configuration:
// <item oor:path="/org.openoffice.UserProfile/Data">
// <prop oor:name="o" oor:finalized="true">
// <value oor:external="com.sun.star.configuration.backend.LdapUserProfileBe company"/>
// </prop>
// </item>
//
// Nil example:
// Empty value (<value></value>) and nil value (<value xsi:nil="true"/>) are different.
// In case of some path settings, the base path setting has to be cleared.
// [HKEY_CURRENT_USER\Software\Policies\LibreOffice\org.openoffice.Office.Common\Path\Current\Work]
// "Value"=""
// "Final"=dword:00000001
// "Nil"=dword:00000001
// [HKEY_CURRENT_USER\Software\Policies\LibreOffice\org.openoffice.Office.Paths\Paths\org.openoffice.Office.Paths:NamedPath['Work']\WritePath]
// "Value"="file:///H:/"
// "Final"=dword:00000001
// becomes the following in configuration:
// <item oor:path="/org.openoffice.Office.Common/Path/Current">
// <prop oor:name="Work" oor:finalized="true">
// <value xsi:nil="true"/>
// </prop>
// </item>
// <item oor:path="/org.openoffice.Office.Paths/Paths/org.openoffice.Office.Paths:NamedPath['Work']">
// <prop oor:name="WritePath" oor:finalized="true">
// <value>file:///H:/</value>
// </prop>
// </item>
void dumpWindowsRegistryKey(HKEY hKey, OUString const & aKeyName, TempFile &aFileHandle)
{
HKEY hCurKey;
if(RegOpenKeyExW(
hKey, o3tl::toW(aKeyName.getStr()), 0,
KEY_READ, &hCurKey)
== ERROR_SUCCESS)
{
DWORD nSubKeys = 0;
DWORD nValues = 0;
DWORD nLongestValueNameLen, nLongestValueLen;
// Query the number of subkeys
RegQueryInfoKeyW(hCurKey, nullptr, nullptr, nullptr, &nSubKeys, nullptr, nullptr, &nValues, &nLongestValueNameLen, &nLongestValueLen, nullptr, nullptr);
if(nSubKeys)
{
//Look for subkeys in this key
for(DWORD i = 0; i < nSubKeys; i++)
{
wchar_t buffKeyName[MAX_KEY_LENGTH];
buffKeyName[0] = '\0';
DWORD buffSize=MAX_KEY_LENGTH;
OUString aSubkeyName;
//Get subkey name
RegEnumKeyExW(hCurKey, i, buffKeyName, &buffSize, nullptr, nullptr, nullptr, nullptr);
//Make up full key name
if(aKeyName.isEmpty())
aSubkeyName = aKeyName + o3tl::toU(buffKeyName);
else
aSubkeyName = aKeyName + "\\" + o3tl::toU(buffKeyName);
//Recursion, until no more subkeys are found
dumpWindowsRegistryKey(hKey, aSubkeyName, aFileHandle);
}
}
else if(nValues)
{
// No more subkeys, we are at a leaf
auto pValueName = std::unique_ptr<wchar_t[]>(
new wchar_t[nLongestValueNameLen + 1]);
auto pValue = std::unique_ptr<wchar_t[]>(
new wchar_t[nLongestValueLen/sizeof(wchar_t) + 1]);
bool bFinal = false;
bool bExternal = false;
bool bNil = false;
OUString aValue;
OUString aType;
OUString aExternalBackend;
for(DWORD i = 0; i < nValues; ++i)
{
DWORD nValueNameLen = nLongestValueNameLen + 1;
DWORD nValueLen = nLongestValueLen + 1;
RegEnumValueW(hCurKey, i, pValueName.get(), &nValueNameLen, nullptr, nullptr, reinterpret_cast<LPBYTE>(pValue.get()), &nValueLen);
if (!wcscmp(pValueName.get(), L"Value"))
aValue = o3tl::toU(pValue.get());
else if (!wcscmp(pValueName.get(), L"Type"))
aType = o3tl::toU(pValue.get());
else if (!wcscmp(pValueName.get(), L"Final"))
{
if (*reinterpret_cast<DWORD*>(pValue.get()) == 1)
bFinal = true;
}
else if (!wcscmp(pValueName.get(), L"Nil"))
{
if (*reinterpret_cast<DWORD*>(pValue.get()) == 1)
bNil = true;
}
else if (!wcscmp(pValueName.get(), L"External"))
{
if (*reinterpret_cast<DWORD*>(pValue.get()) == 1)
bExternal = true;
}
else if (!wcscmp(pValueName.get(), L"ExternalBackend"))
aExternalBackend = o3tl::toU(pValue.get());
}
if (bExternal)
{
// type and external are mutually exclusive
aType.clear();
// Prepend backend, like in
// "com.sun.star.configuration.backend.LdapUserProfileBe company"
if (!aExternalBackend.isEmpty())
aValue = aExternalBackend + " " + aValue;
}
sal_Int32 aLastSeparator = aKeyName.lastIndexOf('\\');
OUString aPathAndNodes = aKeyName.copy(0, aLastSeparator);
OUString aProp = aKeyName.copy(aLastSeparator + 1);
bool bHasNode = false;
sal_Int32 nCloseNode = 0;
aFileHandle.writeString("<item oor:path=\"");
for(sal_Int32 nIndex = 0;;)
{
OUString aNextPathPart = aPathAndNodes.getToken(0, '\\', nIndex);
if(!aNextPathPart.isEmpty())
{
if((aNextPathPart.lastIndexOf("/#") != -1) || bHasNode)
{
bHasNode = true;
nCloseNode++;
aFileHandle.writeString("\"><node oor:name=\"");
sal_Int32 nCommandSeparator = aNextPathPart.lastIndexOf('#');
if(nCommandSeparator != -1)
{
OUString aNodeOp = aNextPathPart.copy(nCommandSeparator + 1);
writeAttributeValue(aFileHandle, aNextPathPart.subView(0, nCommandSeparator - 1));
aFileHandle.writeString("\" oor:op=\"");
writeAttributeValue(aFileHandle, aNodeOp);
}
else
{
writeAttributeValue(aFileHandle, aNextPathPart);
}
}
else
{
writeAttributeValue(
aFileHandle, Concat2View("/" + aNextPathPart));
}
}
else
{
aFileHandle.writeString("\">");
break;
}
}
aFileHandle.writeString("<prop oor:name=\"");
writeAttributeValue(aFileHandle, aProp);
aFileHandle.writeString("\"");
if(!aType.isEmpty())
{
aFileHandle.writeString(" oor:type=\"");
writeAttributeValue(aFileHandle, aType);
aFileHandle.writeString("\"");
}
if(bFinal)
aFileHandle.writeString(" oor:finalized=\"true\"");
aFileHandle.writeString("><value");
if (aValue.isEmpty() && bNil)
{
aFileHandle.writeString(" xsi:nil=\"true\"/");
}
else if (bExternal)
{
aFileHandle.writeString(" oor:external=\"");
writeAttributeValue(aFileHandle, aValue);
aFileHandle.writeString("\"/");
}
else
{
aFileHandle.writeString(">");
writeValueContent(aFileHandle, aValue);
aFileHandle.writeString("</value");
}
aFileHandle.writeString("></prop>");
for(; nCloseNode > 0; nCloseNode--)
aFileHandle.writeString("</node>");
aFileHandle.writeString("</item>\n");
}
RegCloseKey(hCurKey);
}
}
}
bool dumpWindowsRegistry(OUString* pFileURL, WinRegType eType)
{
HKEY hKey;
HKEY hDomain = eType == LOCAL_MACHINE ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
if(RegOpenKeyExW(hDomain, L"SOFTWARE\\Policies\\LibreOffice", 0, KEY_READ, &hKey) != ERROR_SUCCESS)
{
SAL_INFO(
"configmgr",
("Windows registry settings do not exist in HKLM\\SOFTWARE\\Policies\\LibreOffice"));
return false;
}
TempFile aFileHandle;
switch (osl::FileBase::createTempFile(nullptr, &aFileHandle.handle, pFileURL)) {
case osl::FileBase::E_None:
break;
case osl::FileBase::E_ACCES:
SAL_INFO(
"configmgr",
("cannot create temp Windows registry dump (E_ACCES)"));
return false;
default:
throw css::uno::RuntimeException(
"cannot create temporary file");
}
aFileHandle.url = *pFileURL;
aFileHandle.writeString(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<oor:items"
" xmlns:oor=\"http://openoffice.org/2001/registry\""
" xmlns:xs=\"http://www.w3.org/2001/XMLSchema\""
" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n");
dumpWindowsRegistryKey(hKey, "", aFileHandle);
aFileHandle.writeString("</oor:items>");
oslFileError e = aFileHandle.closeWithoutUnlink();
if (e != osl_File_E_None)
SAL_WARN("configmgr", "osl_closeFile failed with " << +e);
RegCloseKey(hKey);
return true;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */