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    Length: 1092 (0x444)
    Types: TextFile
    Names: »scan_sudo«

└─⟦4f9d7c866⟧ Bits:30007245 EUUGD6: Sikkerheds distributionen
    └─⟦b5330643c⟧ »./cops/perl-4.019/perl.tar.Z« 
        └─⟦2b9a58213⟧ 
            └─⟦this⟧ »perl-4.019/eg/scan/scan_sudo« 

TextFile

#!/usr/bin/perl -P

# $Header: scan_sudo,v 4.0 91/03/20 01:13:44 lwall Locked $

# Analyze the sudo log.

chdir('/usr/adm/private/memories') || die "Can't cd to memories: $!\n";

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: $!\n";
while ($_ = pop(@seen)) {
    print tmp $_;
}
close(tmp);
open(tmp,'oldsudo.tmp') || die "Can't reopen tmp file: $!\n";
while (<tmp>) {
    print $seen{$_},":\t",$_;
}

print `(rm -f oldsudo.tmp; echo $max > oldsudo) 2>&1`;