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    Length: 715 (0x2cb)
    Types: TextFile
    Names: »scan_passwd«

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

TextFile

#!/usr/bin/perl

# $Header: scan_passwd,v 4.0 91/03/20 01:13:18 lwall Locked $

# This scans passwd file for security holes.

open(Pass,'/etc/passwd') || die "Can't open passwd file: $!\n";
# $dotriv = (`date` =~ /^Mon/);
$dotriv = 1;

while (<Pass>) {
    ($login,$pass,$uid,$gid,$gcos,$home,$shell) = split(/:/);
    if ($shell eq '') {
	print "Short: $_";
    }
    next if /^[+]/;
    if ($pass eq '') {
	if (index(":sync:lpq:+:", ":$login:") < 0) {
	    print "No pass: $login\t$gcos\n";
	}
    }
    elsif ($dotriv && crypt($login,substr($pass,0,2)) eq $pass) {
	print "Trivial: $login\t$gcos\n";
    }
    if ($uid == 0) {
	if ($login !~ /^.?root$/ && $pass ne '*') {
	    print "Extra root: $_";
	}
    }
}