Moved the tree accordingly

1 files changed, 61 insertions, 0 deletions

diff --git a/lib/ManaTools/Privileges.pm b/lib/ManaTools/Privileges.pm
new file mode 100644
index 0000000..5833900
--- /dev/null
+++ b/lib/ManaTools/Privileges.pm
@@ -0,0 +1,61 @@
+# vim: set et ts=4 sw=4:
+#    Copyright 2012-2015 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;