clamav.admin.inc

<?php
// $Id$
/**
 * @file
 * Admin-pages for managing the ClamAV module.
 */

/**
 * Admin settings page for ClamAV
 */
function clamav_admin_settings() {
  // Load the include helper so that the form can test connectivity to ClamAV
  // and report success/failure.
  module_load_include('inc', 'clamav');

  $form = array();

  $form['antivirus'] = array(
    '#type' => 'fieldset',
    '#title' => t('ClamAV'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );
  $form['antivirus']['clamav_enabled'] = array(
    '#type'          => 'checkbox',
    '#title'         => t('Enable ClamAV anti-virus scans'),
    '#default_value' => variable_get('clamav_enabled', TRUE),
  );
  $form['antivirus']['clamav_mode'] = array(
    '#type'          => 'radios',
    '#title'         => t('Select scan method'),
    '#options'       => array(CLAMAV_USE_DAEMON     => t('Daemon mode'),
                              CLAMAV_USE_EXECUTABLE => t('Executable')),
    '#default_value' => variable_get('clamav_mode', CLAMAV_DEFAULT_MODE),
    '#description'   => t("Set the scan-method according to how the ClamAV software is configured on the server.<br /><strong>Daemon-mode is recommended</strong>, because it is usually quicker than running as an executable.  The Daemon will require read-access to the web server's temporary files in order to scan them."),
  );
  $form['antivirus']['clamav_unchecked_files'] = array(
    '#type'          => 'radios',
    '#title'         => t('Action when ClamAV is not available'),
      //Allow file uploads if the daemon is not running or program is not found'),
    '#options'       => array(CLAMAV_BLOCK_UNCHECKED => t('Block unchecked files'),
                              CLAMAV_ALLOW_UNCHECKED => t('Allow unchecked files')),
    '#default_value' => variable_get('clamav_unchecked_files', CLAMAV_DEFAULT_UNCHECKED),
    '#description'   => t('Scans may fail - for example: if ClamAV is not running, or the path to the executable is invalid.  Choose whether files should be blocked or allowed when a scan cannot be completed.'),
  );
  
  // Deamon-mode.
  // Check for a daemon on the current settings.
  $daemon_config = array('host' => variable_get('clamav_daemon_host', CLAMAV_DEFAULT_HOST),
                         'port' => variable_get('clamav_daemon_port', CLAMAV_DEFAULT_PORT),
                         );
  $clamav_daemon_version = clamav_get_version($daemon_config);

  $clamav_daemon_version = preg_match('/ClamAV/', $clamav_daemon_version) ? $clamav_daemon_version : NULL;
  $message = isset($clamav_daemon_version) 
    ? t("The clamav-daemon at %host:%port gives the version:<br />@version_string.", array('%host' => $daemon_config['host'], '%port' => $daemon_config['port'], '@version_string' => $clamav_daemon_version))
    : t('The clamav-daemon was not found at %host:%port.', array('%host' => $daemon_config['host'], '%port' => $daemon_config['port']));

  $form['daemon'] = array(
    '#type' => 'fieldset',
    '#title' => t('ClamAV daemon'),
    '#description' => t("Configure the connection settings when using Daemon-mode.") . '<br />' . $message,
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );
  $form['daemon']['clamav_daemon_host'] = array(
    '#type'          => 'textfield',
    '#title'         => t('Hostname'),
    '#default_value' => variable_get('clamav_daemon_host', CLAMAV_DEFAULT_HOST),
    '#maxlength'     => 255,
    '#description'   => t('The hostname for the Clam-AV daemon.  Defaults to localhost.'),
  );
  $form['daemon']['clamav_daemon_port'] = array(
    '#type'          => 'textfield',
    '#title'         => t('Port'),
    '#default_value' => variable_get('clamav_daemon_port', CLAMAV_DEFAULT_PORT),
    '#size'          => 6,
    '#maxlength'     => 8,
    '#description'   => t('The port for the Clam-AV daemon.  Defaults to port 3310.  Must be between 0 and 65535.'),
  );

  // Executable.
  // Check that the executable-path matches the default clamscan
  $msg = '';

  $executable = variable_get('clamav_executable_path', CLAMAV_DEFAULT_PATH);
  $version_string = clamav_get_version($executable);
  if($version_string) {
    $msg .= t("The clamscan at %executable_filepath gives the version:<br />@version_string.", array('%executable_filepath' => $executable, '@version_string' => $version_string));
  }
  else {
    $msg .= t("The clamscan at %executable_filepath did not respond.", array('%executable_filepath' => $executable));
  }

  $default_executable_path = exec('which clamscan 2>/dev/null');
  if($default_executable_path && $default_executable_path != variable_get('clamav_executable_path', CLAMAV_DEFAULT_PATH)) {
    $version_string = clamav_get_version($default_executable_path);
    if($default_executable_version_string) {
      $msg .= "<br />";
      $msg .= t("The clamscan at %executable_filepath gives the version:<br />@version_string.", array('%executable_filepath' => $default_executable_path, '@version_string' => $version_string));
    }
  }

  $form['executable'] = array(
    '#type' => 'fieldset',
    '#title' => t('ClamAV executable'),
    '#description' => t('These settings will be used if you have chosen "Executable" as the scan-method.') . '<br />' . $msg,
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );

  $form['executable']['clamav_executable_path'] = array(
    '#type'          => 'textfield',
    '#title'         => t('Executable path'),
    '#default_value' => variable_get('clamav_executable_path', CLAMAV_DEFAULT_PATH),
    '#maxlength'     => 255,
    '#description'   => t("Full path to the 'clamscan' utility."),
  );

  $form['integration'] = array( 
    '#type' => 'fieldset',
    '#title' => t('Integration'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );
  $form['integration']['clamav_enable_element_file'] = array(
    '#type'          => 'checkbox',
    '#title'         => t('Scan normal file uploads'),
    '#default_value' => variable_get('clamav_enable_element_file', TRUE),
  );
  $form['integration']['clamav_enable_element_filefield_widget'] = array(
    '#type'          => 'checkbox',
    '#title'         => t('Scan CCK filefield widget uploads'),
    '#default_value' => module_exists('filefield') && variable_get('clamav_enable_element_filefield_widget', TRUE),
    '#disabled'      => !module_exists('filefield'),
  );
  $form['integration']['clamav_enable_element_imagefield_widget'] = array(
    '#type'          => 'checkbox',
    '#title'         => t('Scan CCK imagefield widget uploads'),
    '#default_value' => module_exists('imagefield') && variable_get('clamav_enable_element_imagefield_widget', TRUE),
    '#disabled'      => !module_exists('imagefield'),
  );
  
  
  return system_settings_form($form);
}