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.NET Forum / Visual Studio.NET / General / June 2004enumerating logged on users, detecting logon/logoff
I am trying to get the list of all the users logged on to a WinNT/2k/XP box. What I am about to use is NetWkstaUserEnum from the NetAPI lib - is that the best way? Also, is there a way to hook into windows logon to be notified when new users log on and existing users log off? Alternatively I could call NetWkstaUserEnum periodically, but that's cumbersome. thx, Alen > I am trying to get the list of all the users logged on to a > WinNT/2k/XP box. What I am about to use is NetWkstaUserEnum from > the NetAPI lib - is that the best way? As per MSDN this API lists interactive, service and batch logons only. If you want more than that the best way is LsaEnumerateLogonSessions LsaGetLogonSessionData > Also, is there a way to hook into windows logon to be notified when > new users log on and existing users log off? Yes and no. Yes because there is a way to hook into anything Windows does including LsaApLogonUserXXX that does the actual job. (I once wrote a product that did exactly that). No because this isn't what I would call normal application design. Could you tell why do you need this information? In my experience 9 times out of 10 this is unnecessary. -- Eugene Hi, can i use LsaGetLogonSessionData to check if my user had logged on a Netware ? Thanks, VP > > I am trying to get the list of all the users logged on to a > > WinNT/2k/XP box. What I am about to use is NetWkstaUserEnum from [quoted text clipped - 19 lines] > -- > Eugene > Hi, can i use LsaGetLogonSessionData to check if my user had logged > on a Netware ? Check AuthenticationPackage member of SECURITY_LOGON_SESSION_DATA. My guess is that it will contain a name of some netware authentication package (maybe NETWARE_AUTHENTICATION_PACKAGE_V1_0). -- Eugene > I am trying to get the list of all the users logged on to a WinNT/2k/XP box. > What I am about to use is NetWkstaUserEnum from the NetAPI lib - is that the [quoted text clipped - 3 lines] > users log on and existing users log off? Alternatively I could call > NetWkstaUserEnum periodically, but that's cumbersome. You can implement "WinLogon notification package" (nothing but a simple DLL) to monitor and respond to Winlogon events. In order for your package to receive event notifications from Winlogon, you must register -- the name of the package, the names of the event handler functions in the package, the DLL responsible for implementing the package I hope this is the best way to hook logon/off events. - &Raj. > thx, > Alen Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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