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#!/usr/bin/perl -P
# $Header: scan_sudo,v 2.0 88/06/05 00:18:01 root Exp $
# Analyze the sudo log.
chdir('/usr/adm/private/memories') || die "Can't cd.";
if (open(Oldsudo,'oldsudo')) {
$maxpos = <Oldsudo>;
close Oldsudo;
}
else {
$maxpos = 0;
`echo 0 >oldsudo`;
}
unless (open(Sudo, '/usr/adm/sudo.log')) {
print "Somebody removed sudo.log!!!\n" if $maxpos;
exit 0;
}
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks) = stat(Sudo);
if ($size < $maxpos) {
$maxpos = 0;
print "Somebody reset sudo.log!!!\n";
}
seek(Sudo,$maxpos,0);
while (<Sudo>) {
s/^.* :[ \t]+//;
s/ipcrm.*/ipcrm/;
s/kill.*/kill/;
unless ($seen{$_}++) {
push(@seen,$_);
}
$last = $_;
}
$max = tell(Sudo);
open(tmp,'|sort >oldsudo.tmp') || die "Can't create tmp file.";
while ($_ = pop(@seen)) {
print tmp $_;
}
close(tmp);
open(tmp,'oldsudo.tmp') || die "Can't reopen tmp file.";
while (<tmp>) {
print $seen{$_},":\t",$_;
}
print `(rm -f oldsudo.tmp; echo $max > oldsudo) 2>&1`;
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