ctxmenu.cpp

vc环境下的pgp源码

        case 4:
            strcpy(msg, 
				"Secure wipe this file.");
            break;
    }
	}
    ODS(msg);
    ODS("\r\n");
	// return the help string
	// get OS type
	Version.dwOSVersionInfoSize = (DWORD)(sizeof Version);
	GetVersionEx(&Version);
	if (Version.dwPlatformId == VER_PLATFORM_WIN32_NT)	// if WIN NT
	{
		// first set empty string
		MultiByteToWideChar(CP_ACP, 0, "", -1, 
							(LPWSTR)pszName, cchMax / 2);
		// then convert string
		if (cchMax / 2 > strlen(msg))	// if room for message
		{
			if (!(MultiByteToWideChar(CP_ACP, 0, msg, -1, 
							(LPWSTR)pszName, cchMax / 2)))
			{
#ifdef _DEBUG
				char buf1[40];
#endif
				ODS("MultiByteToWideChar() failed.\r\n");
				ODS("Error Code is: ");
				ODS(_ltoa(GetLastError(), buf1, 10));
				ODS("\r\n");
			}
		}
		else
			ODS("Buffer is not large enough for message.\r\n");
#ifdef _DEBUG
		WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)pszName, 
						-1, msg, sizeof msg, NULL, NULL);
		ODS(msg);
		ODS("\r\n");
#endif
	}
	else	// WIN 95
	{
		// make sure the help string isn't too long
		// first set empty string
		strcpy(pszName, "");
		// then copy string if there's room
		if (cchMax > strlen(msg))	// if buffer larger than string
			strcpy(pszName, msg);
		else
			ODS("Buffer is not large enough for message.\r\n");
	    
		ODS(pszName);
		ODS("\r\n");
	}

	return NOERROR;
}

void CShellExt::CreateEncryptedMenu(UINT idCmdFirst)
{
	MENUITEMINFO ItemInfo;
	char MText[64];

	ItemInfo.cbSize = sizeof ItemInfo;
	ItemInfo.fMask = MIIM_TYPE | MIIM_ID;
	ItemInfo.fType = MFT_STRING;
	ItemInfo.wID = idCmdFirst;
	ItemInfo.hSubMenu = NULL;
	ItemInfo.hbmpChecked = NULL;
	ItemInfo.hbmpUnchecked = NULL;
	ItemInfo.dwItemData = 0;
	ItemInfo.dwTypeData = MText;
	ItemInfo.cch = 0;


	strcpy(SubMenuType, "Encrypted");
	hSubMenu = CreatePopupMenu();
/*	
	ItemInfo.fType = MFT_STRING;
	ItemInfo.fMask = MIIM_TYPE | MIIM_STATE;
	ItemInfo.fState = MF_DISABLED;	// for title line
	strcpy(MText, "Pretty Good Privacy");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	ItemInfo.fType = MFT_SEPARATOR;
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
*/

	ItemInfo.fType = MFT_STRING;
	ItemInfo.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID;
	ItemInfo.fState = MFS_ENABLED;		// for command lines
	
	++ItemInfo.wID;
	strcpy(MText, "&Decrypt && Verify");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	ItemInfo.fType=MFT_SEPARATOR ;
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	ItemInfo.fType = MFT_STRING;

	++ItemInfo.wID;
	strcpy(MText, "&Wipe");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	
/*
	++ItemInfo.wID;
	strcpy(MText, "&Verify");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
*/
	
	SubMenuItems = 3;
}

void CShellExt::CreateVerifyMenu(UINT idCmdFirst)
{
	MENUITEMINFO ItemInfo;
	char MText[64];

	ItemInfo.cbSize = sizeof ItemInfo;
	ItemInfo.wID = idCmdFirst;
	ItemInfo.hSubMenu = NULL;
	ItemInfo.hbmpChecked = NULL;
	ItemInfo.hbmpUnchecked = NULL;
	ItemInfo.dwItemData = 0;
	ItemInfo.dwTypeData = MText;
	ItemInfo.cch = 0;


	strcpy(SubMenuType, "Verify");
	hSubMenu = CreatePopupMenu();

/*	
	ItemInfo.fType = MFT_STRING;
	ItemInfo.fMask = MIIM_TYPE | MIIM_STATE;
	ItemInfo.fState = MF_DISABLED;	// for title line
	strcpy(MText, "Pretty Good Privacy");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	ItemInfo.fType = MFT_SEPARATOR;
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
*/

	ItemInfo.fType = MFT_STRING;
	ItemInfo.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID;
	ItemInfo.fState = MFS_ENABLED;		// for command lines
	
	++ItemInfo.wID;
	strcpy(MText, "&Verify Signature");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	ItemInfo.fType=MFT_SEPARATOR ;
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	ItemInfo.fType = MFT_STRING;

	++ItemInfo.wID;
	strcpy(MText, "&Wipe");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	
	SubMenuItems = 3;
}


void CShellExt::CreateKeyfileMenu(UINT idCmdFirst)
{
	MENUITEMINFO ItemInfo;
	char MText[64];

	ItemInfo.cbSize = sizeof ItemInfo;
	ItemInfo.wID = idCmdFirst;
	ItemInfo.hSubMenu = NULL;
	ItemInfo.hbmpChecked = NULL;
	ItemInfo.hbmpUnchecked = NULL;
	ItemInfo.dwItemData = 0;
	ItemInfo.dwTypeData = MText;
	ItemInfo.cch = 0;


	strcpy(SubMenuType, "Keyfile");
	hSubMenu = CreatePopupMenu();

/*	
	ItemInfo.fType = MFT_STRING;
	ItemInfo.fMask = MIIM_TYPE | MIIM_STATE;
	ItemInfo.fState = MF_DISABLED;	// for title line
	strcpy(MText, "Pretty Good Privacy");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	ItemInfo.fType = MFT_SEPARATOR;
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
*/

	ItemInfo.fType = MFT_STRING;
	ItemInfo.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID;
	ItemInfo.fState = MFS_ENABLED;		// for command lines
	
	++ItemInfo.wID;
	strcpy(MText, "&Add Keys to Keyring");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	ItemInfo.fType=MFT_SEPARATOR ;
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	ItemInfo.fType = MFT_STRING;

	++ItemInfo.wID;
	strcpy(MText, "&Wipe");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	
	SubMenuItems = 3;
}

void CShellExt::CreateViewKeyringMenu(UINT idCmdFirst)
{
	MENUITEMINFO ItemInfo;
	char MText[64];

	ItemInfo.cbSize = sizeof ItemInfo;
	ItemInfo.wID = idCmdFirst;
	ItemInfo.hSubMenu = NULL;
	ItemInfo.hbmpChecked = NULL;
	ItemInfo.hbmpUnchecked = NULL;
	ItemInfo.dwItemData = 0;
	ItemInfo.dwTypeData = MText;
	ItemInfo.cch = 0;


	strcpy(SubMenuType, "AddKeys");
	hSubMenu = CreatePopupMenu();

/*	
	ItemInfo.fType = MFT_STRING;
	ItemInfo.fMask = MIIM_TYPE | MIIM_STATE;
	ItemInfo.fState = MF_DISABLED;	// for title line
	strcpy(MText, "Pretty Good Privacy");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	ItemInfo.fType = MFT_SEPARATOR;
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

*/
	ItemInfo.fType = MFT_STRING;
	ItemInfo.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID;
	ItemInfo.fState = MFS_ENABLED;		// for command lines
	
	++ItemInfo.wID;
	strcpy(MText, "&Add Keys to Keyring");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	ItemInfo.fType=MFT_SEPARATOR ;
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	ItemInfo.fType = MFT_STRING;

	++ItemInfo.wID;
	strcpy(MText, "&Wipe");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	
	SubMenuItems = 3;
}

void CShellExt::CreateDirectoryMenu(UINT idCmdFirst)
{
	MENUITEMINFO ItemInfo;
	char MText[64];

	ItemInfo.cbSize = sizeof ItemInfo;
	ItemInfo.wID = idCmdFirst;
	ItemInfo.hSubMenu = NULL;
	ItemInfo.hbmpChecked = NULL;
	ItemInfo.hbmpUnchecked = NULL;
	ItemInfo.dwItemData = 0;
	ItemInfo.dwTypeData = MText;
	ItemInfo.cch = 0;

	strcpy(SubMenuType, "Directory");
	hSubMenu = CreatePopupMenu();
	
	ItemInfo.fType = MFT_STRING;
	ItemInfo.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID;
	ItemInfo.fState = MFS_ENABLED;		// for command lines
	
	++ItemInfo.wID;
	strcpy(MText, "&Encrypt");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	
	++ItemInfo.wID;
	strcpy(MText, "&Sign");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	
	++ItemInfo.wID;
	strcpy(MText, "E&ncrypt && Sign");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	ItemInfo.fType=MFT_SEPARATOR ;
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	ItemInfo.fType = MFT_STRING;

	++ItemInfo.wID;
	strcpy(MText, "D&ecrypt && Verify");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	ItemInfo.fType=MFT_SEPARATOR ;
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	ItemInfo.fType = MFT_STRING;

	++ItemInfo.wID;
	strcpy(MText, "&Wipe");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	SubMenuItems = 6;
}

void CShellExt::CreatePlaintextMenu(UINT idCmdFirst)
{
	MENUITEMINFO ItemInfo;
	char MText[64];

	ItemInfo.cbSize = sizeof ItemInfo;
	ItemInfo.wID = idCmdFirst;
	ItemInfo.hSubMenu = NULL;
	ItemInfo.hbmpChecked = NULL;
	ItemInfo.hbmpUnchecked = NULL;
	ItemInfo.dwItemData = 0;
	ItemInfo.dwTypeData = MText;
	ItemInfo.cch = 0;

	strcpy(SubMenuType, "Plaintext");
	hSubMenu = CreatePopupMenu();
	
	ItemInfo.fType = MFT_STRING;
	ItemInfo.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID;
	ItemInfo.fState = MFS_ENABLED;		// for command lines
	
	++ItemInfo.wID;
	strcpy(MText, "&Encrypt");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	
	++ItemInfo.wID;
	strcpy(MText, "&Sign");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	
	++ItemInfo.wID;
	strcpy(MText, "E&ncrypt && Sign");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	ItemInfo.fType=MFT_SEPARATOR ;
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);
	ItemInfo.fType = MFT_STRING;

	++ItemInfo.wID;
	strcpy(MText, "&Wipe");
	InsertMenuItem(hSubMenu, 0xffffffff, TRUE, &ItemInfo);

	SubMenuItems = 5;
}

LRESULT CALLBACK ShellProc(HWND hwnd, UINT msg, 
							   WPARAM wParam, LPARAM lParam)
{
	// See if user deselects caching via prefs
	CheckForPurge(msg,wParam);

	switch(msg)
	{
		case WM_CREATE:
		{
			ShowWindow(hwnd, SW_HIDE);
			return 0;
		}
	}
	return DefWindowProc(hwnd, msg, wParam, lParam);
}

#define szAppName "PGPshell_HiddenWindow"

HWND ShellWindow(void)
{
	HWND hwnd;
	WNDCLASS wc;

	// Register the Server Window Class

	wc.style			= 0;
	wc.lpfnWndProc		= ShellProc;
	wc.cbClsExtra		= 0;
	wc.cbWndExtra		= 0;
	wc.hInstance		= g_hmodThisDll;
	wc.hIcon			= 0;
	wc.hCursor			= 0;
	wc.hbrBackground	= 0;
	wc.lpszMenuName		= 0;
	wc.lpszClassName	= szAppName;

	RegisterClass(&wc);

	hwnd = CreateWindow(
		szAppName, szAppName, WS_OVERLAPPEDWINDOW, 
		CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
		CW_USEDEFAULT, NULL, NULL, g_hmodThisDll, NULL );

	return hwnd;
}

HRESULT CallPGP(STGMEDIUM *pMedium, UINT ActionCode)
{
	int i;
	UINT ReturnCode;
	HWND hwnd;
	int NumFiles;
	BOOL bEncrypt,bSign;
	char szFile[MAX_PATH+1];
	FILELIST *ListHead;

	strcpy(szApp,"PGPshell");

	ReturnCode=TRUE;

	if(PGPsc==0)
	{
		if(!InitPGPsc(NULL,&PGPsc,&PGPtls))
			return(ReturnCode);

		// For getting global windows messages
		g_hwndShell=ShellWindow();
	}

	hwnd = GetForegroundWindow();

	NumFiles = DragQueryFile((HDROP) pMedium->hGlobal, (UINT)-1, 0, 0);

	if(NumFiles==0)
		return(ReturnCode);

	ReturnCode=TRUE;
	bEncrypt=bSign=FALSE;

	if(ActionCode==PGP_CODE_ENCRYPT)
		bEncrypt = TRUE;

	if(ActionCode==PGP_CODE_SIGN)
		bSign = TRUE;

	if(ActionCode==PGP_CODE_ENCRYPT_SIGN)
		bEncrypt = bSign = TRUE;

	if ((ActionCode==PGP_CODE_ENCRYPT)||
		(ActionCode==PGP_CODE_SIGN)   ||
		(ActionCode==PGP_CODE_ENCRYPT_SIGN))
	{
		ListHead=0;

		for(i=0;i<NumFiles && ReturnCode == TRUE;i++)
		{
			DragQueryFile((HDROP) pMedium->hGlobal, 
                         i,szFile,MAX_PATH);
			AddToFileList(&ListHead,szFile,NULL);
		}

		ReturnCode = EncryptFileList(hwnd,szApp,PGPsc,PGPtls,
			ListHead,
			bEncrypt, 
			bSign);
	}

	if((ActionCode==PGP_CODE_DECRYPT)||
	   (ActionCode==PGP_CODE_VERIFY_SIG)||
	   (ActionCode==PGP_CODE_VERIFY))
	{
		ListHead=0;

		for(i=0;i<NumFiles && ReturnCode == TRUE;i++)
		{
			DragQueryFile((HDROP) pMedium->hGlobal, 
                          i,szFile,MAX_PATH);
			AddToFileList(&ListHead,szFile,NULL);
		}

		ReturnCode = DecryptFileList(hwnd,szApp,PGPsc,PGPtls,
			ListHead);
	}

	if(ActionCode==PGP_CODE_WIPE)
	{
		DWORD FileAttr;

		ListHead=0;

		for(i=0;i<NumFiles && ReturnCode == TRUE;i++)
		{
			DragQueryFile((HDROP) pMedium->hGlobal, 
				i,szFile,MAX_PATH);
				
			FileAttr = GetFileAttributes(szFile);

			if (FileAttr == 0xFFFFFFFF)
				;
			else if (FileAttr & FILE_ATTRIBUTE_SYSTEM)
				;
			else if (FileAttr & FILE_ATTRIBUTE_READONLY)
				;
			else
				AddToFileList(&ListHead,szFile,NULL);
		}

		ReturnCode = WipeFileList(hwnd,PGPsc,
			ListHead,TRUE);
	}

	ReleaseStgMedium(pMedium);

	return ReturnCode;
}

BOOL CShellExt::AddMenuSeparator(HMENU hMenu, int iPosition)
{
	MENUITEMINFO MenuItemInfo;
	BOOL		 bRC;

	MenuItemInfo.cbSize = sizeof(MENUITEMINFO);
	MenuItemInfo.fMask  = MIIM_TYPE;
	MenuItemInfo.fType  = MFT_SEPARATOR;

	bRC = InsertMenuItem(hMenu,
			  				   iPosition,
							   TRUE,
							   &MenuItemInfo);

	if (!bRC) {
		// wow, we couldn't add the separator after Send To...
		ODS("Insert Separator failed...\r\n");
		return FALSE;
	}
	return TRUE;
}

LRESULT CALLBACK InvisiProc(HWND hwnd, UINT msg, 
							WPARAM wParam, LPARAM lParam)
{
	switch(msg)
	{
		case WM_CREATE:
		{
			return 0;
		}

		case WM_QUERYOPEN:
		{
			return 0;
		}

#if 0		
		case WM_CLOSE:
		{	
			PostQuitMessage(0);
	
			return 0;
		}
#endif
	}
	return DefWindowProc(hwnd, msg, wParam, lParam);
}


/*__Editor_settings____

	Local Variables:
	tab-width: 4
	End:
	vi: ts=4 sw=4
	vim: si
_____________________*/