Fixed PHP warning, added check for allowed characters in variable name

Aleksander Machniak

2012-07-23 c9dcb83132da6df4e601f5991727b010a08766d6

Fixed PHP warning, added check for allowed characters in variable name

 plugins/managesieve/managesieve.php

@@ -854,17 +854,22 @@
                    break;

                case 'set':
                    $this->form['actions'][$i]['name'] = $varnames[$idx];
                    $this->form['actions'][$i]['value'] = $varvalues[$idx];
                    foreach ((array)$varmods[$idx] as $v_m) {
                        $this->form['actions'][$i][$v_m] = true;
                    }

                    if (empty($varnames[$idx])) {
                        $this->errors['actions'][$i]['name'] = $this->gettext('cannotbeempty');
                    }
                    if (empty($varvalues[$idx])) {
                    else if (!preg_match('/^[0-9a-z_]+$/i', $varnames[$idx])) {
                        $this->errors['actions'][$i]['name'] = $this->gettext('forbiddenchars');
                    }

                    if (!isset($varvalues[$idx]) || $varvalues[$idx] === '') {
                        $this->errors['actions'][$i]['value'] = $this->gettext('cannotbeempty');
                    }
                    foreach ($varmods[$idx] as $v_m) {
                        $this->form['actions'][$i][$v_m] = true;
                    }
                    $this->form['actions'][$i]['name'] = $varnames[$idx];
                    $this->form['actions'][$i]['value'] = $varvalues[$idx];
                    break;
                }