Travis L. Bean wrote:
I found a working script to send a domain wide message:
http://www.netsys.com/sunmgr/1998-10/msg00122.html. This is a modified
version of the /examples/misc/wall.perl included in the Samba 3.x.x
distribution. The wall.perl script in the Samba distribution appears to
be broken, because it does not send a message unless a host name is
provided. Perhaps someone on the samba team would be so kind as to view
the differences between these two scripts and incorporate these
modifications into the wall.perl script that is included in the Samba
distribution.
Thanks,
Travis
-----Original Message-----
From: Andrew Gaffney [mailto:[EMAIL PROTECTED] Sent: Sunday, December 28, 2003 6:05 AM
To: Travis L. Bean
Cc: [EMAIL PROTECTED]
Subject: Re: [Samba] How to send a domain wide message with smbclient?
Travis L. Bean wrote:
Is there a way to send a message to all users currently logged into a Samba domain controller? The reason why I ask is that I have a Samba 3.x.x primary/backup domain controller setup and as soon as the system
monitor detects that the primary domain controller is offline I would like to execute a command to send a domain wide message telling all domain users to save their work to the local machine, log off the pdc and log back in to the bdc. Is there a way to accomplish this with smbclient or another open source software solution?
You can send a message with a command such as 'echo "Testing" |
smbclient -M <machine>'. I don't know if there is a way to send a message to all clients. You could
try to do it yourself. If you have any bash/sed/awk or perl abilities, you could
write a script that parses the output of 'smbstatus' to determine which clients are
currently logged on to the domain. It could then go through a loop and send the message to every
client. In perl:
#!/usr/bin/perl
open PIPE, "smbstatus |";
foreach $line (<PIPE>) {
if($line =~ /\d+\s+(\S+)\s+\S+\s+(\S+)\s+\((.+)\)/) {
system "echo 'Attention user $1! PDC is down. Please save all work
to local disk, logout, and log back in on the BDC.' | smbclient -M $2 -I $3";
}
}
I ran a brief test on this and it appears to work correctly with 3.0.1.
-- Andrew Gaffney
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