Look up logged on user on Win32

Hello,

Is there some way in perl to look up who is logged on to remote machine.  I want to be able to specify a machine and lookup who is logged onto it.  This is on Window NT/2000.

Thanks,

Joe


jvieiraAsked:
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sstoukConnect With a Mentor Commented:
The net session command would not work in Workgroup.

There are tho ways of identifying who is logged in to the LOCAL system:

$name = Win32::AdminMisc::GetLogonName();
Using the AdminMisc module
or
$user = Win32::LoginName();

To do the task, you could create a small script, which creates a file with the current login name of the user.
You can access the file with any remote access and have a look at it.

But if systems are on the domain, the best way is to use the "net session" command as "ahoffmann"  gave you an example of.

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ahoffmannCommented:
system("net.exe name-of-pdc session");
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ahoffmannCommented:
in a workgroup you cannot "logon" to a remote server, just "connect" shares
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jvieiraAuthor Commented:
OK,

To clarify something.  The perl program will be running on WindowsNT/2000 but it will be quering machine that are Windows NT/2000/98.  Perl is not installed on all the machine which is why I want to query it remotely.  I don't think the net session program exists on 98.  Win32::LoginName only works on the local machine I want who is logged in on a remote machine.
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ahoffmannCommented:
install rshd.exe from NT's ResKit. AFAIK it works for 98 too.
Then you can use
   rsh remotehost net.exe session
or for Win98
   rsh remotehost echo %USER%

To find out which OS it is use:
   rsh remotehost echo %OS%
which retuns Windows_NT on NT and nothing on Win98.

Check the commands in a shell (cmd.exe), then it should be simple to use them within perl with system() or backticks (if your perl support backticks on NT)
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jvieiraAuthor Commented:
That requires me to go to every machine and install the rshd.exe application.  If I'm already at their machine I can just lookup who is logged on.  There must be something either in the registry or something else that I can look at from a remote machine and see who is logged on without ever having to go to the machine or install anything on it.

I can get disk and network info remotely now all I need is user info.
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ahoffmannCommented:
> There must be something either ..
hmm, laugh or cry ;-) Remeber: it's M$ !!

Think you're clued to M$ proprietary things like SMP, but that requires installation either, IIRC.
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jvieiraAuthor Commented:
Since the answer is "it can't be done." I'll award the points to sstouk.  His answer does not require using anything but perl even though it won't do it remotely.  

Thanks anyway,

Joe
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