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gpgex-class.cc
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/* gpgex-class.cc - gpgex component class implementation
Copyright (C) 2007 g10 Code GmbH
This file is part of GpgEX.
GpgEX 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 of the License, or (at your option) any later version.
GpgEX 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 program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <windows.h>
#include "main.h"
#include "gpgex-class.h"
/* The class ID in a form that can be used by certain interfaces. */
CLSID CLSID_gpgex = CLSID_GPGEX;
/* Because we do not use a type library (.tlb) resource file, we have
to do all of the work manually. However, that's not a big issue,
because we only register a new component class, and no custom
interfaces. So, for example, we do not need to register proxy/stub
DLLs. */
/* Register the GpgEX component. */
void
gpgex_class::init (void)
{
DWORD result;
char key[MAX_PATH];
char value[MAX_PATH];
HKEY key_handle = 0;
/* FIXME: Error handling? */
/* Set a key for our CLSID. */
strcpy (key, "CLSID\\{" CLSID_GPGEX_STR "}");
RegCreateKey (HKEY_CLASSES_ROOT, key, &key_handle);
/* The default value is a human readable name for the class. */
strcpy (value, "GpgEX");
RegSetValueEx (key_handle, 0, 0, REG_SZ, (BYTE *) value, strlen (value) + 1);
RegCloseKey (key_handle);
/* The InprocServer32 key holds the path to the server component. */
strcpy (key, "CLSID\\{" CLSID_GPGEX_STR "}\\InprocServer32");
RegCreateKey (HKEY_CLASSES_ROOT, key, &key_handle);
result = GetModuleFileName (gpgex_server::instance, value, MAX_PATH);
RegSetValueEx (key_handle, 0, 0, REG_SZ, (BYTE *) value, strlen (value) + 1);
/* We also need a threading model. */
strcpy (key, "ThreadingModel");
strcpy (value, "Apartment");
RegSetValueEx (key_handle, key, 0, REG_SZ,
(BYTE *) value, strlen (value) + 1);
RegCloseKey (key_handle);
strcpy (key, "*\\ShellEx\\ContextMenuHandlers\\GpgEX");
RegCreateKey (HKEY_CLASSES_ROOT, key, &key_handle);
/* The default value is the CLSID for the class. */
strcpy (value, "{" CLSID_GPGEX_STR "}");
RegSetValueEx (key_handle, 0, 0, REG_SZ, (BYTE *) value, strlen (value) + 1);
RegCloseKey (key_handle);
strcpy (key, "Directory\\ShellEx\\ContextMenuHandlers\\GpgEX");
RegCreateKey (HKEY_CLASSES_ROOT, key, &key_handle);
/* The default value is the CLSID for the class. */
strcpy (value, "{" CLSID_GPGEX_STR "}");
RegSetValueEx (key_handle, 0, 0, REG_SZ, (BYTE *) value, strlen (value) + 1);
RegCloseKey (key_handle);
#if 0
/* We also have to approve the shell extension for Windows NT. */
strcpy (key, "Software\\Microsoft\\Windows\\CurrentVersion\\Shell Extensions\\Approved");
RegCreateKey (HKEY_LOCAL_MACHINE, key, &key_handle);
/* The key is the CLSID, the value can be anything. */
strcpy (key, "{" CLSID_GPGEX_STR "}");
strcpy (value, "GpgEX");
RegSetValueEx (key_handle, key, 0, REG_SZ,
(BYTE *) value, strlen (value) + 1);
RegCloseKey (key_handle);
#endif
}
/* Unregister the GpgEX component. */
void
gpgex_class::deinit (void)
{
/* FIXME: Error handling? */
#if 0
RegDeleteValue (HKEY_LOCAL_MACHINE,
"Software\\Microsoft\\Windows\\CurrentVersion"
"\\Shell Extensions\\Approved", "{" CLSID_GPGEX_STR "}");
#endif
RegDeleteKey (HKEY_CLASSES_ROOT,
"Directory\\ShellEx\\ContextMenuHandlers\\GpgEX");
RegDeleteKey (HKEY_CLASSES_ROOT,
"*\\ShellEx\\ContextMenuHandlers\\GpgEX");
/* Delete registry keys in reverse order. */
RegDeleteKey (HKEY_CLASSES_ROOT,
"CLSID\\{" CLSID_GPGEX_STR "}\\InprocServer32");
RegDeleteKey (HKEY_CLASSES_ROOT, "CLSID\\{" CLSID_GPGEX_STR "}");
}

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