+ my %changed_groups = map { $_ => 1 } (param ('group'));
+ my @current_groups = LiCoM::Group->load_by_member ($cn);
+
+ for (@current_groups)
+ {
+ my $group_obj = $_;
+ my $group_name = $group_obj->name ();
+
+ if (!defined ($changed_groups{$group_name}))
+ {
+ $group_obj->del_members ($cn);
+ }
+ else
+ {
+ delete ($changed_groups{$group_name});
+ }
+ }
+ for (keys %changed_groups)
+ {
+ my $group_name = $_;
+ my $group_obj = LiCoM::Group->load ($group_name) or die;
+
+ $group_obj->add_members ($cn);
+ }
+
+ if (param ('newgroup'))
+ {
+ # FIXME add error handling
+ my $group_name = param ('newgroup');
+ LiCoM::Group->create ($group_name, '', $cn);
+ }
+