49 lines
1.2 KiB
Perl
49 lines
1.2 KiB
Perl
#!/usr/bin/perl
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#======================
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# Created May 25, 2000
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#======================
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# This scripts is for checking for failed root login attempts on
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# any machine running AIX which has a failedlogin file in /etc/security
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# The purpose is to thwart (good word) any unauthorised people from
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# even trying to log in as root. This plugin has been developed for Nagios
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# running on AIX.
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# Lonny Selinger SpEnTBoY lonny@abyss.za.org
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# May
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my $server = $ARGV[0];
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if (!$ARGV[0]) {
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print "You must specify a server to check\n";
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print "usage: ./check_failed <Server Name>\n";
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exit (-1);
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} else {
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open (DATE, "/bin/date '+%b %d' |");
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while (<DATE>) {
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$dline = $_;
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@dresults = $dline;
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chop $dresults[0];
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}
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open (SULOG, "rsh $server -l root who /etc/security/failedlogin | grep root |");
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while (<SULOG>) {
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$line = $_;
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@results = split (/\s+/,$line);
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if ($line =~ /^root/) {
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if (join(' ', @results[2,3]) eq $dresults[0]) {
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print "FAILED root login on $dresults[0], node: $ARGV[0] from $results[5]\n";
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exit(2);
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}
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}
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}
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}
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if (join(' ', @results[2,3]) ne $dresults[0]) {
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print "No Failed Root Logins on This Node\n";
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exit(0);
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}
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exit(0);
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close(SULOG);
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close(DATE);
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