#!/usr/bin/perl -w

use strict;
use Text::Wrap;
$Text::Wrap::columns = 70;

#open (my $out, ">&=3") or die "could not open FD 3\n";
open (my $out, ">&=0") or die "could not open FD 3\n";

our $AQUERY = 0;
our $PHP = 0;

if (-x "/usr/sbin/a2query")
{
$AQUERY = "/usr/sbin/a2query";
}

if ($AQUERY)
{
my $mpm = `$AQUERY -M`;
chomp($mpm);
print $out "Enabled MPM: $mpm\n";
}


my @modules;
if ($AQUERY)
{
print $out "List of enabled modules:\n";
@modules = `$AQUERY -m`;
}
else
{
print $out "a2query is not available.\n";
@modules = sort glob("/etc/apache2/mods-enabled/*.load");
map { s{^/etc/apache2/mods-enabled/(.*)\.load$}{$1} } @modules;
print $out "List of /etc/apache2/mods-enabled/*.load:\n";
}
if (! scalar @modules) {
print $out "Could not determine module list\n";
}
else {
my $missing;
foreach my $m (@modules) {
my ($m, @desc) = split(/\s+/, $m);
if (-e "/etc/apache2/mods-available/$m.conf" and
! -e "/etc/apache2/mods-enabled/$m.conf") {
$m .= "*";
$missing = 1;
}
if ($m =~ /^(php\d)/) {
$PHP = $1;
}
}

print $out wrap(" ", " ", "@modules\n");

print $out
wrap(" ", " ",
"(A * means that the .conf file for that module is not " .
"enabled in /etc/apache2/mods-enabled/)\n")
if $missing;
}

if (defined $PHP) {
my @exts = qx{egrep ^extension= /etc/$PHP/apache2/php.ini /etc/$PHP/apache2/conf.d/* 2>/dev/null};
if (scalar @exts) {
chomp @exts;
@exts = grep { ! m{\.dpkg-(?:bak|dist):} } @exts;
@exts = sort grep { s{^.*:extension=(\S+)\.\S+}{$1} } @exts;
print $out "List of enabled $PHP extensions:\n";
print $out wrap(" ", " ", "@exts\n");
}
}


if ($AQUERY)
{
my @confs;
print $out "List of enabled configurations:\n";
@confs = `$AQUERY -c`;
print $out wrap(" ", " ", "@confs\n");
}