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# vim: set et ts=4 sw=4:
# Copyright 2012-2017 Matteo Pasotti
#
# This file is part of ManaTools
#
# ManaTools 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 2 of the License, or
# (at your option) any later version.
#
# ManaTools 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 ManaTools. If not, see <http://www.gnu.org/licenses/>.
package ManaTools::Privileges;
use strict;
use warnings;
use diagnostics;
require Exporter;
use base qw(Exporter);
use English qw(-no_match_vars);
our @EXPORT = qw(is_root_capability_required
ask_for_authentication);
my $wrappers = { "sudo" => "/usr/bin/sudo",
"pkit" => "/usr/bin/pkexec",
"chlp" => "/usr/bin/consolehelper"
};
my $wrapper = 0;
sub is_root_capability_required {
return $EUID != 0;
}
sub ask_for_authentication {
my $wrapper_id = shift;
$wrapper = $wrappers->{$wrapper_id} if(defined($wrappers->{$wrapper_id}));
my ($command, @args) = wrap_command($0, @ARGV);
unshift(@args,$command->[1]);
unshift(@args, '-n') if($wrapper_id eq "sudo"); # let sudo die if password is needed
exec { $command->[0] } $command->[1], @args or die ("command %s missing", $command->[0]);
}
sub wrap_command {
my ($app, @args) = @_;
return ([$wrapper, $app], @args);
}
sub get_wrapper {
my $id = shift;
return $wrappers->{$id} if(defined($wrappers->{$id}));
}
1;
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