February 2006
Intermediate to advanced
304 pages
6h 16m
English
Content preview from Wicked Cool Perl Scripts
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#25 Disabling a User
One of your students has violated the no hacking policy repeatedly. So you're going to give him a time-out for a few weeks and turn off his account.
Note:
This script is system dependent. Don't run it on your system until you've inspected it and know it fits your operation.
The Code
1 #!/usr/bin/perl 2 use strict; 3 use warnings; 4 5 if ($#ARGV != 0) { 6 print STDERR "Usage is $0 <account>\n"; 7 } 8 9 my $user = $ARGV[0]; 10 11 # Get login information 12 my $uid = getpwnam($user); 13 if (not defined($uid)) { 14 print "$user does not exist.\n"; 15 exit (8); 16 } 17 18 system("passwd -l $user"); 19 my @who = 'who'; 20 @who = grep /^$user\s/, @who; 21 foreach my $cur_who (@who) { 22 my @words = split /\s+/, $cur_who; 23 ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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