#!/usr/bin/perl -T

=head1 NAME

youri-submit-restricted - filtering wrapper over youri-submit

=head1 VERSION

Version 1.0

=head1 SYNOPSIS

youri-submit-restricted [options] <target> <files>

=head1 DESCRIPTION

youri-submit-restricted is just a filtering wrapper over youri-submit, intended
to be used in collaborative work to sanitize environment and options before
calling it.

=head1 SEE ALSO

youri-submit(1)

=head1 COPYRIGHT AND LICENSE

Copyright (C) 2002-2006, YOURI project

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

=cut

use strict;
use warnings;

my $prog = '@bindir@/youri-submit';
my @prohibited_options = qw/--config --skip-check --skip-action/;
my %prohibited_options = map { $_ => 1 } @prohibited_options;
my @prohibited_envvars = qw/
    ENV BASH_ENV IFS CDPATH
    PERLLIB PERL5LIB PERL5OPT PERLIO
    PERLIO_DEBUG PERL5DB PERL_ENCODING
    PERL_HASH_SEED PERL_SIGNALS PERL_UNICODE
/;

my @options;
while (my $arg = shift @ARGV) {
    if ($prohibited_options{$arg}) {
        # drop prohibited options
        print STDERR "prohibited option $arg, skipping\n";
        shift @ARGV;
    } else {
        # untaint everything else
        $arg =~ /(.*)/;
        push(@options, $1);
    }
}

# secure ENV
$ENV{PATH} = "/sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin";
delete $ENV{$_} foreach @prohibited_envvars;

# call wrapped program
system($prog, @options);