1 |
tdb |
1.1 |
#!/usr/bin/perl -w |
2 |
|
|
|
3 |
|
|
#----------------------------------------------------------------- |
4 |
|
|
# i-scream host plugin - user information collection |
5 |
tdb |
1.2 |
# $Author: tdb $ |
6 |
|
|
# $Id: i-scream_users.pl,v 1.1 2001/11/19 21:42:11 tdb Exp $ |
7 |
tdb |
1.1 |
# |
8 |
|
|
# A short perl script to parse the output of the users command. |
9 |
|
|
#----------------------------------------------------------------- |
10 |
|
|
|
11 |
|
|
|
12 |
|
|
$| = 1; |
13 |
|
|
|
14 |
|
|
|
15 |
|
|
# You'd be silly not to use this ;) |
16 |
|
|
use strict; |
17 |
|
|
|
18 |
tdb |
1.2 |
# Get the OS type from the args, or try towork it out |
19 |
|
|
my($ostype) = $ARGV[0]; |
20 |
|
|
$ostype = `uname -s` if not defined $ostype; |
21 |
|
|
chomp($ostype); |
22 |
tdb |
1.1 |
|
23 |
|
|
# Decide which paths we should use. |
24 |
|
|
my($usersbin); |
25 |
|
|
if ($ostype eq "SunOS") { |
26 |
|
|
# covers: Solaris 7/8 |
27 |
|
|
$usersbin = "/usr/ucb/users"; |
28 |
|
|
} |
29 |
|
|
elsif ($ostype eq "Linux" || $ostype eq "FreeBSD") { |
30 |
|
|
# covers: Debian r2.2 |
31 |
|
|
# covers: FreeBSD 4.X |
32 |
|
|
$usersbin = "/usr/bin/users"; |
33 |
|
|
} |
34 |
|
|
else { |
35 |
|
|
print "i-scream_users.pl Error: Unable to identify system type - \"$ostype\".\n"; |
36 |
|
|
print "\"uname -s\" does not report one of the following known types;\n"; |
37 |
|
|
print " SunOS, Linux, FreeBSD\n"; |
38 |
|
|
exit(1); |
39 |
|
|
} |
40 |
|
|
|
41 |
|
|
# Run the following components: - |
42 |
|
|
&include_users(); |
43 |
|
|
|
44 |
|
|
# End the program normally. |
45 |
|
|
exit(0); |
46 |
|
|
|
47 |
|
|
|
48 |
|
|
|
49 |
|
|
|
50 |
|
|
# sub to print pairs of data, separated by a single space character. |
51 |
|
|
# If the second argument is undefined, then the pair is still printed, |
52 |
|
|
# however, the value shall be displayed as the the 'default' value |
53 |
|
|
# if the passed value was undefined. |
54 |
|
|
sub print_pair($$$) { |
55 |
|
|
my($default, $name, $value) = @_; |
56 |
|
|
|
57 |
|
|
if (!defined $value) { |
58 |
|
|
$value = $default; |
59 |
|
|
} |
60 |
|
|
|
61 |
|
|
# Remove the trailing linefeed if we've not already done so. |
62 |
|
|
chomp($value); |
63 |
|
|
|
64 |
|
|
# print the pair of data with a space inbetween. |
65 |
|
|
print "$name $value\n"; |
66 |
|
|
} |
67 |
|
|
|
68 |
|
|
|
69 |
|
|
# sub to find out the list of all usernames logged |
70 |
|
|
# in to the machine and how many there are. |
71 |
|
|
sub include_users() { |
72 |
|
|
|
73 |
|
|
# Find out all users on this machine. |
74 |
|
|
my($users) = `$usersbin`; |
75 |
|
|
$users = "\n" unless defined $users; |
76 |
|
|
chomp $users; |
77 |
|
|
my($users_count) = 0; |
78 |
|
|
$users_count++ while $users =~ /\w+/g; |
79 |
|
|
my($users_list) = $users." "; |
80 |
|
|
|
81 |
|
|
&print_pair(0, "packet.users.count", $users_count); |
82 |
|
|
&print_pair("unknown", "packet.users.list", $users_list); |
83 |
|
|
} |