#!/usr/bin/perl
#
# Copyright 1996-2013 Ian Jackson <ijackson@chiark.greenend.org.uk>
# Copyright 1998 David Damerell <damerell@chiark.greenend.org.uk>
# Copyright 1999,2003
#    Chancellor Masters and Scholars of the University of Cambridge
# Copyright 2010 Tony Finch <fanf@dotat.at>
#
# This is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with userv-utils; if not, see http://www.gnu.org/licenses/.

$minreaddays= 21;
$maxperuser= 250;

open(CONF,"$ARGV[0]") or die $!;
while(<CONF>) {
    next if m/^\#/ || !m/^\S/;
    next if m/^(myfqdn|xref|server|server-nosearch|fetch|read|post|permit|believe|extrarc)\s/;
    if (m/^minreaddays\s+(\d+)\s+$/) {
        $minreaddays= $1;
    } elsif (m/^maxperuser\s+(\d+)\s+$/) {
        $maxperuser= $1;
    } else {
        die "$_ ?";
    }
}

$newsrc= ".newsrc";
exit 0 if -l $newsrc || ! -f _ || -M _ > $minreaddays;

@g= ();

open NEWSRC, $newsrc or die $!;
while (<NEWSRC>) {
    next unless s/:.*\n$//;
    next unless m/^[-a-z0-9+]+\.[-a-z0-9+._]+$/i;
    push @g, "$_\n";
}
close NEWSRC or die $!;

exit 0 if @g > $maxperuser;

print sort @g or die $!;
close STDOUT or die $!;

exit 0;