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diff --git a/src/gpgex.cc b/src/gpgex.cc
index 84099d1..7246095 100644
--- a/src/gpgex.cc
+++ b/src/gpgex.cc
@@ -1,856 +1,856 @@
/* gpgex.cc - gpgex implementation
Copyright (C) 2007, 2013 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 <vector>
#include <string>
#include <stdexcept>
#include <map>
using std::vector;
using std::string;
#include <windows.h>
#include <gdiplus.h>
#include <olectl.h>
#include <objidl.h>
/* For the start_help() function. */
#include <exdisp.h>
#include "main.h"
#include "client.h"
#include "registry.h"
#include "gpgex.h"
#include "resource.h"
/* For context menus. */
#define ID_CMD_HELP 0
#define ID_CMD_DECRYPT_VERIFY 1
#define ID_CMD_DECRYPT 2
#define ID_CMD_VERIFY 3
#define ID_CMD_SIGN_ENCRYPT 4
#define ID_CMD_ENCRYPT 5
#define ID_CMD_SIGN 6
#define ID_CMD_IMPORT 7
#define ID_CMD_CREATE_CHECKSUMS 8
#define ID_CMD_VERIFY_CHECKSUMS 9
#define ID_CMD_POPUP 10
#define ID_CMD_ABOUT 11
#define ID_CMD_MAX 11
#define ID_CMD_STR_HELP _("Help on GpgEX")
#define ID_CMD_STR_ABOUT _("About GpgEX")
#define ID_CMD_STR_DECRYPT_VERIFY _("Decrypt and verify")
#define ID_CMD_STR_DECRYPT _("Decrypt")
#define ID_CMD_STR_VERIFY _("Verify")
#define ID_CMD_STR_SIGN_ENCRYPT _("Sign and encrypt")
#define ID_CMD_STR_ENCRYPT _("Encrypt")
#define ID_CMD_STR_SIGN _("Sign")
#define ID_CMD_STR_IMPORT _("Import keys")
#define ID_CMD_STR_CREATE_CHECKSUMS _("Create checksums")
#define ID_CMD_STR_VERIFY_CHECKSUMS _("Verify checksums")
/* Reset the instance between operations. */
void
gpgex_t::reset (void)
{
this->filenames.clear ();
this->all_files_gpg = TRUE;
}
STDMETHODIMP
gpgex_t::QueryInterface (REFIID riid, void **ppv)
{
#define _TRACE_BEG12(a,b,c,d,e,f) TRACE_BEG12(a,b,c,d,e,f)
_TRACE_BEG12 (DEBUG_INIT, "gpgex_t::QueryInterface", this,
"riid=" GUID_FMT ", ppv=%p", GUID_ARG (riid), ppv);
if (ppv == NULL)
return TRACE_RES (E_INVALIDARG);
/* Be nice to broken software. */
*ppv = NULL;
/* The static casts ensure that the virtual function table layout of
the returned object is correct. We can not cast to IUnknown
because that base class is ambiguous (because it is not virtual),
so we pick one of the derived classes instead. */
if (riid == IID_IUnknown)
*ppv = static_cast<IShellExtInit *> (this);
else if (riid == IID_IShellExtInit)
*ppv = static_cast<IShellExtInit *> (this);
else if (riid == IID_IContextMenu)
*ppv = static_cast<IContextMenu3 *> (this);
#if 0
/* FIXME: Enable this when the functions are actually
implemented. */
else if (riid == IID_IContextMenu2)
*ppv = static_cast<IContextMenu3 *> (this);
else if (riid == IID_IContextMenu3)
*ppv = static_cast<IContextMenu3 *> (this);
#endif
else
return TRACE_RES (E_NOINTERFACE);
/* We have to acquire a reference to the returned object. We lost
the type information, but we know that all object classes inherit
from IUnknown, which is good enough. */
reinterpret_cast<IUnknown *>(*ppv)->AddRef ();
return TRACE_RES (S_OK);
}
STDMETHODIMP_(ULONG)
gpgex_t::AddRef (void)
{
(void) TRACE1 (DEBUG_INIT, "gpgex_t::AddRef", this,
"new_refcount=%i", this->refcount + 1);
return InterlockedIncrement (&this->refcount);
}
STDMETHODIMP_(ULONG)
gpgex_t::Release (void)
{
LONG count;
(void) TRACE1 (DEBUG_INIT, "gpgex_t::Release", this,
"new_refcount=%i", this->refcount - 1);
count = InterlockedDecrement (&this->refcount);
if (count == 0)
delete this;
return count;
}
/* IShellExtInit methods. */
STDMETHODIMP
gpgex_t::Initialize (LPCITEMIDLIST pIDFolder, IDataObject *pDataObj,
HKEY hRegKey)
{
HRESULT err = S_OK;
TRACE_BEG3 (DEBUG_INIT, "gpgex_t::Initialize", this,
"pIDFolder=%p, pDataObj=%p, hRegKey=%p",
pIDFolder, pDataObj, hRegKey);
/* This function is called for the Shortcut (context menu),
Drag-and-Drop, and Property Sheet extensions. */
this->reset ();
if (pDataObj)
{
/* The data object contains a drop item which we extract. */
FORMATETC fe = { CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
STGMEDIUM medium;
UINT count;
if (SUCCEEDED (pDataObj->GetData (&fe, &medium)))
{
HDROP drop = (HDROP) GlobalLock (medium.hGlobal);
unsigned int i;
/* Now that we have the drop item, we can extract the
file names. */
count = DragQueryFile (drop, (UINT) -1, NULL, 0);
if (count == 0)
{
err = E_INVALIDARG;
}
if (!err)
{
for (i = 0; i < count; i++)
{
char filename[MAX_PATH];
UINT len;
len = DragQueryFile (drop, i,
filename, sizeof (filename) - 1);
if (len == 0)
{
err = E_INVALIDARG;
break;
}
/* Take a look at the ending. */
char *ending = strrchr (filename, '.');
if (ending)
{
BOOL gpg = false;
ending++;
if (! strcasecmp (ending, "gpg")
|| ! strcasecmp (ending, "pgp")
|| ! strcasecmp (ending, "asc")
|| ! strcasecmp (ending, "sig")
|| ! strcasecmp (ending, "pem")
|| ! strcasecmp (ending, "p7m")
|| ! strcasecmp (ending, "p7s")
)
gpg = true;
if (gpg == false)
this->all_files_gpg = FALSE;
}
else
this->all_files_gpg = FALSE;
this->filenames.push_back (filename);
}
GlobalUnlock (medium.hGlobal);
ReleaseStgMedium (&medium);
}
}
}
if (err != S_OK)
this->reset ();
return TRACE_RES (err);
}
static HBITMAP
getBitmap (int id)
{
TRACE_BEG0 (DEBUG_CONTEXT_MENU, __func__, nullptr, "get bitmap");
PICTDESC pdesc;
Gdiplus::GdiplusStartupInput gdiplusStartupInput;
Gdiplus::Bitmap* pbitmap;
ULONG_PTR gdiplusToken;
HRSRC hResource;
DWORD imageSize;
const void* pResourceData;
HGLOBAL hBuffer;
memset (&pdesc, 0, sizeof pdesc);
pdesc.cbSizeofstruct = sizeof pdesc;
pdesc.picType = PICTYPE_BITMAP;
/* Initialize GDI */
gdiplusStartupInput.DebugEventCallback = NULL;
gdiplusStartupInput.SuppressBackgroundThread = FALSE;
gdiplusStartupInput.SuppressExternalCodecs = FALSE;
gdiplusStartupInput.GdiplusVersion = 1;
GdiplusStartup (&gdiplusToken, &gdiplusStartupInput, NULL);
/* Get the image from the resource file */
hResource = FindResource (gpgex_server::instance, MAKEINTRESOURCE(id), RT_RCDATA);
if (!hResource)
{
TRACE1 (DEBUG_CONTEXT_MENU, __func__, nullptr, "Failed to find id: %i",
id);
return nullptr;
}
imageSize = SizeofResource (gpgex_server::instance, hResource);
if (!imageSize)
{
TRACE1 (DEBUG_CONTEXT_MENU, __func__, nullptr, "WTF: %i",
__LINE__);
return nullptr;
}
pResourceData = LockResource (LoadResource (gpgex_server::instance, hResource));
if (!pResourceData)
{
TRACE1 (DEBUG_CONTEXT_MENU, __func__, nullptr, "WTF: %i",
__LINE__);
return nullptr;
}
hBuffer = GlobalAlloc (GMEM_MOVEABLE, imageSize);
if (hBuffer)
{
void* pBuffer = GlobalLock (hBuffer);
if (pBuffer)
{
IStream* pStream = NULL;
CopyMemory (pBuffer, pResourceData, imageSize);
if (CreateStreamOnHGlobal (hBuffer, FALSE, &pStream) == S_OK)
{
pbitmap = Gdiplus::Bitmap::FromStream (pStream);
pStream->Release();
if (!pbitmap || pbitmap->GetHBITMAP (0, &pdesc.bmp.hbitmap))
{
TRACE1 (DEBUG_CONTEXT_MENU, __func__, nullptr, "WTF: %i",
__LINE__);
return nullptr;
}
}
}
GlobalUnlock (pBuffer);
}
GlobalFree (hBuffer);
Gdiplus::GdiplusShutdown (gdiplusToken);
return pdesc.bmp.hbitmap;
}
static HBITMAP
getBitmapCached (int id)
{
static std::map<int, HBITMAP> s_id_map;
const auto it = s_id_map.find (id);
if (it == s_id_map.end ())
{
const HBITMAP icon = getBitmap (id);
s_id_map.insert (std::make_pair (id, icon));
return icon;
}
return it->second;
}
static bool
setupContextMenuIcon (int id, HMENU hMenu, UINT indexMenu)
{
TRACE_BEG2 (DEBUG_CONTEXT_MENU, __func__, nullptr, "Start. menu: %p index %u",
hMenu, indexMenu);
int width = GetSystemMetrics (SM_CXMENUCHECK);
int height = GetSystemMetrics (SM_CYMENUCHECK);
TRACE2 (DEBUG_CONTEXT_MENU, __func__, nullptr, "width %i height %i",
width, height);
HBITMAP bmp = getBitmapCached (id);
if (!bmp)
{
TRACE1 (DEBUG_CONTEXT_MENU, __func__, nullptr, "WTF: %i",
__LINE__);
return false;
}
return SetMenuItemBitmaps (hMenu, indexMenu - 1, MF_BYPOSITION,
bmp, bmp);
}
/* IContextMenu methods. */
/* The argument HMENU contains the context menu, and INDEXMENU points
to the first index where we can add items. IDCMDFIRST and
IDCMDLAST is the range of command ID values which we can use. */
STDMETHODIMP
gpgex_t::QueryContextMenu (HMENU hMenu, UINT indexMenu, UINT idCmdFirst,
UINT idCmdLast, UINT uFlags)
{
BOOL res;
TRACE_BEG5 (DEBUG_CONTEXT_MENU, "gpgex_t::QueryContextMenu", this,
"hMenu=%p, indexMenu=%u, idCmdFirst=%u, idCmdLast=%u, uFlags=%x",
hMenu, indexMenu, idCmdFirst, idCmdLast, uFlags);
/* FIXME: Do something if idCmdLast - idCmdFirst + 1 is not big
enough. */
/* If the flags include CMF_DEFAULTONLY then nothing should be done. */
if (uFlags & CMF_DEFAULTONLY)
return TRACE_RES (MAKE_HRESULT (SEVERITY_SUCCESS, FACILITY_NULL, 0));
res = InsertMenu (hMenu, indexMenu++, MF_BYPOSITION | MF_SEPARATOR, 0, NULL);
if (! res)
return TRACE_RES (HRESULT_FROM_WIN32 (GetLastError ()));
/* First we add the file-specific menus. */
if (this->all_files_gpg)
{
res = InsertMenu (hMenu, indexMenu++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_DECRYPT_VERIFY,
ID_CMD_STR_DECRYPT_VERIFY);
if (! res)
return TRACE_RES (HRESULT_FROM_WIN32 (GetLastError ()));
}
else
{
/* FIXME: Check error. */
res = InsertMenu (hMenu, indexMenu++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_SIGN_ENCRYPT,
ID_CMD_STR_SIGN_ENCRYPT);
if (! res)
return TRACE_RES (HRESULT_FROM_WIN32 (GetLastError ()));
}
/* Setup the icon */
res = setupContextMenuIcon (IDI_ICON_16, hMenu, indexMenu);
if (! res)
return TRACE_RES (HRESULT_FROM_WIN32 (GetLastError ()));
/* Now generate and add the generic command popup menu. */
HMENU popup;
UINT idx = 0;
/* FIXME: Check error. */
popup = CreatePopupMenu ();
if (popup == NULL)
return TRACE_RES (HRESULT_FROM_WIN32 (GetLastError ()));
MENUITEMINFO mii = { sizeof (MENUITEMINFO) };
mii.fMask = MIIM_SUBMENU | MIIM_STRING | MIIM_ID;
mii.wID = idCmdFirst + ID_CMD_POPUP;
mii.hSubMenu = popup;
mii.dwTypeData = (CHAR *) _("More GpgEX options");
res = InsertMenuItem (hMenu, indexMenu++, TRUE, &mii);
if (!res)
{
DWORD last_error = GetLastError ();
DestroyMenu (popup);
return TRACE_RES (HRESULT_FROM_WIN32 (last_error));
}
res = InsertMenu (hMenu, indexMenu++, MF_BYPOSITION | MF_SEPARATOR,
0, NULL);
if (! res)
return TRACE_RES (HRESULT_FROM_WIN32 (GetLastError ()));
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_DECRYPT,
ID_CMD_STR_DECRYPT);
if (res)
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_VERIFY,
ID_CMD_STR_VERIFY);
if (res)
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_DECRYPT_VERIFY,
ID_CMD_STR_DECRYPT_VERIFY);
if (res)
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_ENCRYPT,
ID_CMD_STR_ENCRYPT);
if (res)
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_SIGN,
ID_CMD_STR_SIGN);
if (res)
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_SIGN_ENCRYPT,
ID_CMD_STR_SIGN_ENCRYPT);
if (res)
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_IMPORT, ID_CMD_STR_IMPORT);
if (res)
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_CREATE_CHECKSUMS, ID_CMD_STR_CREATE_CHECKSUMS);
if (res)
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_VERIFY_CHECKSUMS, ID_CMD_STR_VERIFY_CHECKSUMS);
if (res)
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_SEPARATOR, 0, NULL);
if (res)
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_HELP, ID_CMD_STR_HELP);
if (res)
res = InsertMenu (popup, idx++, MF_BYPOSITION | MF_STRING,
idCmdFirst + ID_CMD_ABOUT, ID_CMD_STR_ABOUT);
if (! res)
return TRACE_RES (HRESULT_FROM_WIN32 (GetLastError ()));
/* We should return a HRESULT that indicates success and the offset
to the next free command ID after the last one we used, relative
to idCmdFirst. In other words: max_used - idCmdFirst + 1. */
return TRACE_RES (MAKE_HRESULT (SEVERITY_SUCCESS, FACILITY_NULL,
ID_CMD_MAX + 1));
}
/* Get a verb or help text for the command IDCOMMAND (which is the
offset to IDCMDFIRST of QueryContextMenu, ie zero based). UFLAGS
has GCS_HELPTEXT set if the help-text is requested (otherwise a
verb is requested). If UFLAGS has the GCS_UNICODE bit set, we need
to return a wide character string. */
STDMETHODIMP
gpgex_t::GetCommandString (UINT_PTR idCommand, UINT uFlags, LPUINT lpReserved,
LPSTR pszName, UINT uMaxNameLen)
{
const char *txt;
TRACE_BEG5 (DEBUG_CONTEXT_MENU, "gpgex_t::GetCommandString", this,
"idCommand=%u, uFlags=%x, lpReserved=%lu, pszName=%p, "
"uMaxNameLen=%u",
(unsigned int)(idCommand & 0xffffffff),
uFlags, lpReserved, pszName, uMaxNameLen);
if (! (uFlags & GCS_HELPTEXT))
return TRACE_RES (E_INVALIDARG);
if (idCommand > ID_CMD_MAX)
return TRACE_RES (E_INVALIDARG);
switch (idCommand)
{
case ID_CMD_HELP:
txt = _("Invoke the GpgEX documentation.");
break;
case ID_CMD_ABOUT:
txt = _("Show the version of GpgEX.");
break;
case ID_CMD_DECRYPT_VERIFY:
txt = _("Decrypt and verify the marked files.");
break;
case ID_CMD_DECRYPT:
txt = _("Decrypt the marked files.");
break;
case ID_CMD_VERIFY:
txt = _("Verify the marked files.");
break;
case ID_CMD_SIGN_ENCRYPT:
txt = _("Sign and encrypt the marked files.");
break;
case ID_CMD_ENCRYPT:
txt = _("Encrypt the marked files.");
break;
case ID_CMD_SIGN:
txt = _("Sign the marked files.");
break;
case ID_CMD_IMPORT:
txt = _("Import the marked files.");
break;
case ID_CMD_CREATE_CHECKSUMS:
txt = _("Create checksums.");
break;
case ID_CMD_VERIFY_CHECKSUMS:
txt = _("Verify checksums.");
break;
case ID_CMD_POPUP:
txt = _("Show more GpgEX options.");
break;
default:
return TRACE_RES (E_INVALIDARG);
}
if (uFlags & GCS_UNICODE)
{
/* FIXME: Convert to unicode. */
lstrcpynW ((LPWSTR) pszName, L"(Unicode help not available yet)",
uMaxNameLen);
}
else
lstrcpynA (pszName, txt, uMaxNameLen);
return TRACE_RES (S_OK);
}
/* Return the lang name. This is either "xx" or "xx_YY". On error
"en" is returned. */
static const char *
get_lang_name (void)
{
static char *name;
const char *s;
char *p;
int count = 0;
if (!name)
{
s = gettext_localename ();
if (!s)
s = "en";
else if (!strcmp (s, "C") || !strcmp (s, "POSIX"))
s = "en";
name = strdup (s);
if (!name)
return "en";
for (p = name; *p; p++)
{
if (*p == '.' || *p == '@' || *p == '/' /*(safeguard)*/)
*p = 0;
else if (*p == '_')
{
if (count++)
*p = 0; /* Also cut at a underscore in the territory. */
}
}
}
return name;
}
/* According to MSDN using ShellExecute may be problematic when using
within the Shell. Thus we call Internet explorer directly. It is
anyway only used for local files. */
static void
start_help (HWND hwnd)
{
HRESULT res;
CLSID clsid;
LPUNKNOWN browser = NULL;
IWebBrowser2 *web = NULL;
CLSIDFromProgID (OLESTR ("InternetExplorer.Application"), &clsid);
res = CoCreateInstance (clsid, NULL, CLSCTX_SERVER, IID_IUnknown, (void **) &browser);
if (! SUCCEEDED (res))
{
MessageBox (hwnd, "Can not open browser", "GpgEX", MB_ICONINFORMATION);
return;
}
browser->QueryInterface (IID_IWebBrowser2, (void **) &web);
browser->Release ();
/* FIXME: Pick a good configuration. */
// Only for IE7?
// web->put_Resizable (VARIANT_TRUE);
// web->put_ToolBar (FALSE);
// web->put_AddressBar (VARIANT_FALSE);
// web->put_MenuBar (VARIANT_FALSE);
// web->put_StatusBar (VARIANT_FALSE);
// width, height
web->put_Visible (VARIANT_TRUE);
wchar_t *wurl;
{
#define URLSIZE 512
char url[URLSIZE];
const char *lang = get_lang_name ();
snprintf (url, URLSIZE, "file:///%s\\share\\doc\\gpgex\\gpgex-%s.html",
gpgex_server::root_dir, lang);
url[URLSIZE - 1] = '\0';
wurl = utf8_to_wchar (url);
/* We need to test whether we need to fall back to the generic
lang id. */
if (wurl && strchr (lang, '_') && _waccess (wurl+8, 0))
{
snprintf (url, URLSIZE,
"file:///%s\\share\\doc\\gpgex\\gpgex-%.2s.html",
gpgex_server::root_dir, lang);
url[URLSIZE - 1] = '\0';
free (wurl);
wurl = utf8_to_wchar (url);
}
/* If the help file does not exists fall back to the english version. */
if (wurl && _waccess (wurl+8, 0))
{
snprintf (url, URLSIZE,
"file:///%s\\share\\doc\\gpgex\\gpgex-en.html",
gpgex_server::root_dir);
url[URLSIZE - 1] = '\0';
free (wurl);
wurl = utf8_to_wchar (url);
}
}
if (wurl)
{
BSTR burl = SysAllocString ((const OLECHAR *)wurl);
VARIANT vars[4];
memset (vars, 0, sizeof (vars));
res = web->Navigate (burl, vars, vars + 1, vars + 2, vars + 3);
SysFreeString (burl);
free (wurl);
if (!SUCCEEDED (res))
{
web->Release ();
return;
}
}
/* Do more stuff. */
web->Release ();
}
/* Show the version informatione etc. */
static void
show_about (HWND hwnd)
{
- const char cpynotice[] = "Copyright (C) 2018 g10 Code GmbH";
+ const char cpynotice[] = "Copyright (C) 2021 g10 Code GmbH";
const char en_notice[] =
"GpgEX is an Explorer plugin for data encryption and signing\n"
"It uses the GnuPG software (http://www.gnupg.org).\n"
"\n"
"GpgEX is free software; you can redistribute it and/or\n"
"modify it under the terms of the GNU Lesser General Public\n"
"License as published by the Free Software Foundation; either\n"
"version 2.1 of the License, or (at your option) any later version.\n"
"\n"
"GpgEX is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU Lesser General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU Lesser General Public "
"License\n"
"along with this program; if not, see <http://www.gnu.org/licenses/>.";
/* TRANSLATORS: See the source for the full english text. */
const char notice_key[] = N_("-#GpgEXFullHelpText#-");
const char *notice;
char header[300];
char *buffer;
size_t nbuffer;
snprintf (header, sizeof header, _("This is GpgEX version %s (%s)"),
PACKAGE_VERSION,
#ifdef HAVE_W64_SYSTEM
"64 bit"
#else
"32 bit"
#endif
);
notice = _(notice_key);
if (!strcmp (notice, notice_key))
notice = en_notice;
nbuffer = strlen (header) + strlen (cpynotice) + strlen (notice) + 20;
buffer = (char*)malloc (nbuffer);
if (buffer)
{
snprintf (buffer, nbuffer, "%s\n%s\n\n%s\n",
header, cpynotice, notice);
MessageBox (hwnd, buffer, "GpgEx", MB_OK);
free (buffer);
}
else
MessageBox (hwnd, header, "GpgEx", MB_OK);
}
STDMETHODIMP
gpgex_t::InvokeCommand (LPCMINVOKECOMMANDINFO lpcmi)
{
TRACE_BEG1 (DEBUG_CONTEXT_MENU, "gpgex_t::InvokeCommand", this,
"lpcmi=%p", lpcmi);
/* If lpVerb really points to a string, ignore this function call
and bail out. */
if (HIWORD (lpcmi->lpVerb) != 0)
return TRACE_RES (E_INVALIDARG);
client_t client (lpcmi->hwnd);
/* Get the command index, which is the offset to IDCMDFIRST of
QueryContextMenu, ie zero based). */
switch (LOWORD (lpcmi->lpVerb))
{
case ID_CMD_HELP:
start_help (lpcmi->hwnd);
break;
case ID_CMD_ABOUT:
show_about (lpcmi->hwnd);
break;
case ID_CMD_DECRYPT_VERIFY:
client.decrypt_verify (this->filenames);
break;
case ID_CMD_DECRYPT:
client.decrypt (this->filenames);
break;
case ID_CMD_VERIFY:
client.verify (this->filenames);
break;
case ID_CMD_SIGN_ENCRYPT:
client.sign_encrypt (this->filenames);
break;
case ID_CMD_ENCRYPT:
client.encrypt (this->filenames);
break;
case ID_CMD_SIGN:
client.sign (this->filenames);
break;
case ID_CMD_IMPORT:
client.import (this->filenames);
break;
case ID_CMD_CREATE_CHECKSUMS:
client.create_checksums (this->filenames);
break;
case ID_CMD_VERIFY_CHECKSUMS:
client.verify_checksums (this->filenames);
break;
default:
return TRACE_RES (E_INVALIDARG);
break;
}
return TRACE_RES (S_OK);
}
/* IContextMenu2 methods. */
STDMETHODIMP
gpgex_t::HandleMenuMsg (UINT uMsg, WPARAM wParam, LPARAM lParam)
{
/* FIXME */
return S_OK;
}
/* IContextMenu3 methods. */
STDMETHODIMP
gpgex_t::HandleMenuMsg2 (UINT uMsg, WPARAM wParam, LPARAM lParam,
LRESULT *plResult)
{
/* FIXME */
return S_OK;
}

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