How to write a simple but effective TCP/IP port scanner for Win32

Luca Piergentili

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27 Oct 20017 min read

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An article on how to write a TCP/IP port scanner with a GUI, based on the MFC's property sheet paradigm

tcpscan.zip
- TcpScan
  - CAsyncSock.cpp
  - CBase64.cpp
  - CBinFile.cpp
  - CConfig.cpp
  - CDateTime.cpp
  - CListCtrlEx.cpp
  - CNodeList.cpp
  - CPropertyPageDialog.cpp
  - CPropertySheetDialog.cpp
  - CRegistry.cpp
  - CRegKey.cpp
  - CSock.cpp
  - CTextFile.cpp
  - CUuenc.cpp
  - CWinsock.cpp
  - include
    - CAsyncSock.h
    - CAsyncSockMessages.h
    - CBase64.h
    - CBinFile.h
    - CConfig.h
    - CDateTime.h
    - CListCtrlEx.h
    - CNodeList.h
    - CPropertyPageDialog.h
    - CPropertyPageList.h
    - CPropertySheetDialog.h
    - CPropertySheetDialogMessages.h
    - CRegistry.h
    - CRegKey.h
    - CSock.h
    - CTextFile.h
    - CUuenc.h
    - CWinsock.h
    - env.h
    - lmhosts.h
    - macro.h
    - pragma.h
    - strcpyn.h
    - strichr.h
    - stristr.h
    - TcpConnectPage.h
    - TcpMessages.h
    - TcpPropertySheet.h
    - TcpScan.h
    - TcpScanAddServiceDlg.h
    - TcpScanAddUrlDlg.h
    - TcpScanConfig.h
    - TcpScanPage.h
    - TcpScanVersion.h
    - TcpServicesPage.h
    - typedef.h
    - win32api.h
    - window.h
  - res
    - iconport.ico
    - iconporterror.ico
    - TcpScan.ico
  - resource.h
  - strcpyn.cpp
  - strichr.cpp
  - stristr.cpp
  - TcpConnectPage.cpp
  - TcpPropertySheet.cpp
  - TcpScan.cpp
  - TcpScan.dsp
  - TcpScan.rc
  - TcpScanAddServiceDlg.cpp
  - TcpScanAddUrlDlg.cpp
  - TcpScanConfig.cpp
  - TcpScanPage.cpp
  - TcpServicesPage.cpp
  - win32api.cpp

/*
	win32api.h
	Implementazione di quanto omesso dall' API (SDK).
	Luca Piergentili, 13/09/98
	lpiergentili@yahoo.com
	http://www.geocities.com/lpiergentili/
*/
#ifndef _WIN32API_H
#define _WIN32API_H 1

#include "window.h"

enum OSVERSIONTYPE {
	WINDOWS_31,
	WINDOWS_95,
	WINDOWS_98,
	WINDOWS_MILLENNIUM,
	WINDOWS_NT,
	WINDOWS_2000,
	UNKNOW_WINDOWS_VERSION
};

BOOL			WritePrivateProfileInt	(LPCSTR lpcszSectioneName,LPCSTR lpcszKeyName,int iValue,LPCSTR lpcszIniFile);

LPSTR		GetThisModuleFileName	(LPSTR lpszFileName,UINT nSize);

void			GetLastErrorString		(void);

int			MessageBoxResource		(HWND hWnd,UINT type,LPCSTR lpcszTitle,UINT nID);
int			MessageBoxResourceEx	(HWND hWnd,UINT type,LPCSTR lpcszTitle,UINT nID,...);
int			FormatResourceString	(LPSTR buffer,UINT nSize,UINT nID);
int			FormatResourceStringEx	(LPSTR buffer,UINT nSize,UINT nID,...);

BOOL			ExtractResource		(UINT resource,LPCSTR lpcszResName,LPCSTR lpszFileName);
BOOL			ExtractResourceIntoBuffer(UINT nID,LPCSTR lpcszResName,LPSTR lpBuffer,UINT nBufferSize);

BOOL			CreateShortcut			(LPCSTR Target,LPCSTR Arguments,LPCSTR LinkFileName,LPCSTR LinkLocation,LPCSTR WorkingDir,UINT nIconIndex);

void			Delay				(int delay);
BOOL			PeekAndPump			(void);

OSVERSIONTYPE	GetWindowsVersion		(LPSTR lpszWindowsPlatform,UINT nSize,DWORD* dwMajorVersion = NULL,DWORD* dwMinorVersion = NULL);

BOOL			DeleteFileToRecycleBin	(HWND hWnd,LPCSTR lpcszFileName,BOOL bShowDialog = TRUE,BOOL bAllowUndo = TRUE);

LPSTR		EnsureBackslash		(LPSTR lpszFileName,UINT nFileSize);
LPSTR		RemoveBackslash		(LPSTR lpszFileName);

int			GetTaskBarRect			(RECT *pRect);

#endif // _WIN32API_H

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Written By

Luca Piergentili

Web Developer

Italy

I like C and C++, Acid Jazz, James Brown, gli Spaghetti Aglio e Olio, alla Bolognesa, alla Puttanesca e le Fettuccine alla Matriciana ('Maccaroni' over the world). Of course I like beautiful big tits girls too, my little car, Frank Zappa, the art of Zen, italian coffee and much more...

How to write a simple but effective TCP/IP port scanner for Win32

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