}
foreach my $ug (split_list($uglist)) {
- if ($ug =~ m/^@(\S+)$/) {
- my $group = $1;
+ my ($group) = $ug =~ m/^@(\S+)$/;
+
+ if ($group && verify_groupname($group, 1)) {
if ($cfg->{groups}->{$group}) { # group exists
$cfg->{acl}->{$path}->{groups}->{$group}->{$role} = $propagate;
} else {