shareenum.h

网络共享资源的枚举

//////////////////////////////////////////////////////////////
// Copyright (C) 2002-2003 Bryce Cogswell 
// www.sysinternals.com
// [e-mail]
//
// You may modify and use this code for personal use only.
// Redistribution in any form is expressly prohibited
// without permission by the author.
//////////////////////////////////////////////////////////////
#define	MAX_TEXT				4000
#define APPNAME					_T("Share Enum")
#define WM_APP_ENUM_COMPLETE	(WM_APP+0)

extern INT_PTR CALLBACK CompareDialog( HWND hDlg, UINT message, UINT wParam, LONG lParam ) ;




class CUser {
public:
	TCHAR	*	m_Acct;
	CUser	*	m_Next;

	CUser( const TCHAR * text, int len ) {
		while ( len > 0  &&  iswspace( text[len-1]) )
			--len;
		m_Acct = new TCHAR[ len + 1 ];
		_tcsncpy( m_Acct, text, len );
		m_Acct[ len ] = 0;
		m_Next = NULL;
	}

	~CUser() {
		delete m_Acct;
		delete m_Next;
	}

	void InsertInList( CUser ** list ) {
		while ( *list  &&  _tcsicmp( this->m_Acct, (*list)->m_Acct ) > 0 )
			list = &(*list)->m_Next;
		this->m_Next = *list;
		*list = this;
	}

	static CUser * MakeList( const TCHAR * list, TCHAR delim ) {
		CUser * head = NULL;
		for (;;)  {

			while ( *list == ' ' )
				++list;
			if ( *list == 0 )
				break;

			const TCHAR * next = _tcschr( list, delim );
			if ( next == NULL )
				next = _tcschr( list, 0 );

			CUser * newitem = new CUser( list, next - list );
			newitem->InsertInList( &head );

			if ( *next == 0 )
				break;
			list = next + 1;
		}
		return head;
	}
};

class CShare {
public:
	TCHAR	*	m_path;
	TCHAR	*	m_domain;
	TCHAR	*	m_localpath;
	TCHAR	*	m_type;
	CUser	*	m_Everyone;
	CUser	*	m_OtherRead;
	CUser	*	m_OtherWrite;
	CUser	*	m_deny;
	CShare	*	m_Next;

	CShare( const TCHAR * path, const TCHAR * localpath, const TCHAR * domain, const TCHAR * type, 
			const TCHAR * EveryoneRead, const TCHAR * OtherRead, const TCHAR * OtherWrite, const TCHAR * deny, TCHAR delim )
	{
		m_Next			= NULL;
		m_path			= _tcsdup( path );
		m_domain		= _tcsdup( domain );
		m_localpath		= _tcsdup( localpath );
		m_type			= _tcsdup( type );

		m_Everyone		= CUser::MakeList( EveryoneRead, delim );
		m_OtherWrite	= CUser::MakeList( OtherWrite, delim );
		m_OtherRead		= CUser::MakeList( OtherRead, delim );
		m_deny			= CUser::MakeList( deny, delim );
	}

	~CShare() {
		delete m_path;
		delete m_domain;
		delete m_localpath;
		delete m_type;

		delete m_Everyone;
		delete m_OtherWrite;
		delete m_OtherRead;
		delete m_deny;

		delete m_Next;
	}

	void InsertInList( CShare ** list )  {
		while ( *list  &&  _tcsicmp( this->m_path, (*list)->m_path ) > 0 )
			list = &(*list)->m_Next;

		m_Next = *list;
		*list = this;
	}
};