mirror of
https://github.com/reactos/reactos.git
synced 2024-11-01 12:26:32 +00:00
142 lines
3.8 KiB
C++
142 lines
3.8 KiB
C++
/*
|
|
* ReactOS Explorer
|
|
*
|
|
* Copyright 2014 - David Quintana
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "precomp.h"
|
|
|
|
static int CALLBACK InitializeAllCallback(void* pItem, void* pData)
|
|
{
|
|
IOleCommandTarget * pOct = reinterpret_cast<IOleCommandTarget *>(pItem);
|
|
HRESULT * phr = reinterpret_cast<HRESULT *>(pData);
|
|
TRACE("Initializing SSO %p\n", pOct);
|
|
*phr = pOct->Exec(&CGID_ShellServiceObject, OLECMDID_NEW, OLECMDEXECOPT_DODEFAULT, NULL, NULL);
|
|
return SUCCEEDED(*phr);
|
|
}
|
|
|
|
static int CALLBACK ShutdownAllCallback(void* pItem, void* pData)
|
|
{
|
|
IOleCommandTarget * pOct = reinterpret_cast<IOleCommandTarget *>(pItem);
|
|
TRACE("Shutting down SSO %p\n", pOct);
|
|
pOct->Exec(&CGID_ShellServiceObject, OLECMDID_SAVE, OLECMDEXECOPT_DODEFAULT, NULL, NULL);
|
|
return TRUE;
|
|
}
|
|
|
|
static int CALLBACK DeleteAllEnumCallback(void* pItem, void* pData)
|
|
{
|
|
IOleCommandTarget * pOct = reinterpret_cast<IOleCommandTarget *>(pItem);
|
|
TRACE("Releasing SSO %p\n", pOct);
|
|
pOct->Release();
|
|
return TRUE;
|
|
}
|
|
|
|
HRESULT InitShellServices(HDPA * phdpa)
|
|
{
|
|
IOleCommandTarget * pOct;
|
|
HKEY hkey;
|
|
CLSID clsid;
|
|
WCHAR name[MAX_PATH];
|
|
WCHAR value[MAX_PATH];
|
|
DWORD type;
|
|
LONG ret;
|
|
HDPA hdpa;
|
|
HRESULT hr = S_OK;
|
|
int count = 0;
|
|
|
|
*phdpa = NULL;
|
|
|
|
TRACE("Enumerating Shell Service Object GUIDs...\n");
|
|
|
|
if (RegOpenKeyW(HKEY_LOCAL_MACHINE,
|
|
L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\ShellServiceObjectDelayLoad",
|
|
&hkey))
|
|
{
|
|
ERR("RegOpenKeyW failed.\n");
|
|
return HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
|
|
hdpa = DPA_Create(5);
|
|
|
|
/* Enumerate */
|
|
do
|
|
{
|
|
DWORD name_len = MAX_PATH;
|
|
DWORD value_len = sizeof(value); /* byte count! */
|
|
|
|
ret = RegEnumValueW(hkey, count, name, &name_len, 0, &type, (LPBYTE) &value, &value_len);
|
|
if (ret)
|
|
break;
|
|
|
|
if (type != REG_SZ)
|
|
{
|
|
WARN("Value type was not REG_SZ.\n");
|
|
continue;
|
|
}
|
|
|
|
hr = CLSIDFromString(value, &clsid);
|
|
if (FAILED_UNEXPECTEDLY(hr))
|
|
{
|
|
ERR("CLSIDFromString failed %08x.\n", hr);
|
|
goto cleanup;
|
|
}
|
|
|
|
hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IOleCommandTarget, &pOct));
|
|
if (FAILED_UNEXPECTEDLY(hr))
|
|
{
|
|
ERR("CoCreateInstance failed %08x.\n", hr);
|
|
goto cleanup;
|
|
}
|
|
|
|
DPA_AppendPtr(hdpa, pOct);
|
|
|
|
count++;
|
|
}
|
|
while (1);
|
|
|
|
if (ret != ERROR_NO_MORE_ITEMS)
|
|
{
|
|
ERR("RegEnumValueW failed %08x.\n", ret);
|
|
hr = HRESULT_FROM_WIN32(GetLastError());
|
|
goto cleanup;
|
|
}
|
|
|
|
/* Initialize */
|
|
DPA_EnumCallback(hdpa, InitializeAllCallback, &hr);
|
|
if (FAILED_UNEXPECTEDLY(hr))
|
|
goto cleanup;
|
|
|
|
RegCloseKey(hkey);
|
|
|
|
*phdpa = hdpa;
|
|
return count > 0 ? S_OK : S_FALSE;
|
|
|
|
cleanup:
|
|
RegCloseKey(hkey);
|
|
*phdpa = NULL;
|
|
ShutdownShellServices(hdpa);
|
|
return hr;
|
|
}
|
|
|
|
HRESULT ShutdownShellServices(HDPA hdpa)
|
|
{
|
|
DPA_EnumCallback(hdpa, ShutdownAllCallback, NULL);
|
|
DPA_EnumCallback(hdpa, DeleteAllEnumCallback, NULL);
|
|
DPA_Destroy(hdpa);
|
|
return S_OK;
|
|
}
|