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

/*
	CAsyncSockMessages.h
	Luca Piergentili, 04/09/98
	lpiergentili@yahoo.com
	http://www.geocities.com/lpiergentili/
*/
#ifndef _CASYNCSOCKMESSAGES_H
#define _CASYNCSOCKMESSAGES_H 1

// messaggi per WSAAsync...()
#define WM_ASYNCSELECT				(0x7FFF - 1)
#define WM_ASYNCREAD				(0x7FFF - 2)
#define WM_ASYNCWRITE				(0x7FFF - 3)
#define WM_ASYNCOOB					(0x7FFF - 4)
#define WM_ASYNCACCEPT				(0x7FFF - 5)
#define WM_ASYNCCONNECT				(0x7FFF - 6)
#define WM_ASYNCCLOSE				(0x7FFF - 7)

// idem per modalita' sincrona
#define WM_SYNCSELECT				(0x7FFF - 8)
#define WM_SYNCREAD					(0x7FFF - 9)
#define WM_SYNCWRITE				(0x7FFF - 10)
#define WM_SYNCOOB					(0x7FFF - 11)
#define WM_SYNCACCEPT				(0x7FFF - 12)
#define WM_SYNCCONNECT				(0x7FFF - 13)
#define WM_SYNCCLOSE				(0x7FFF - 14)

// messaggi per WSAAsyncGetXByY()
#define WM_ASYNCGETHOSTBYNAME			(0x7FFF - 15)
#define WM_ASYNCGETHOSTBYADDR			(0x7FFF - 16)
#define WM_ASYNCGETSERVBYNAME			(0x7FFF - 17)
#define WM_ASYNCGETSERVBYPORT			(0x7FFF - 18)

#endif // _CASYNCSOCKMESSAGES_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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