\n"; api_plugin_hook('nav_login_after'); } } /* * draw_navigation_text - determines the top header navigation text for the current page and displays it to * * @arg $type - (string) Either 'url' or 'title' * @return (string) Either the navigation text or title */ function draw_navigation_text($type = 'url') { global $config, $navigation; $nav_level_cache = (isset($_SESSION['sess_nav_level_cache']) ? $_SESSION['sess_nav_level_cache'] : array()); $navigation = api_plugin_hook_function('draw_navigation_text', $navigation); $current_page = get_current_page(); // Do an error check here for bad plugins manipulating the cache if (!is_array($nav_level_cache)) { $nav_level_cache = array(); } if (!isempty_request_var('action')) { get_filter_request_var('action', FILTER_VALIDATE_REGEXP, array('options' => array('regexp' => '/^([-a-zA-Z0-9_\s]+)$/'))); } $current_action = (isset_request_var('action') ? get_request_var('action') : ''); // find the current page in the big array if (isset($navigation[$current_page . ':' . $current_action])) { $current_array = $navigation[$current_page . ':' . $current_action]; } else { $current_array = array( 'mapping' => 'index.php:', 'title' => ucwords(str_replace('_', ' ', basename(get_current_page(), '.php'))), 'level' => 1 ); } if (isset($current_array['mapping'])) { $current_mappings = explode(',', $current_array['mapping']); } else { $current_mappings = array(); } $current_nav = "

"); $current_nav .= html_escape(resolve_navigation_variables($navigation[$nav_level_cache[$i]['id']]['title'])); $current_nav .= (empty($url) ? '' : '' . (get_selected_theme() == 'classic' ? ' -> ':'') . '
"); $current_nav .= html_escape(resolve_navigation_variables($navigation{basename($current_mappings[$i])}['title'])); $current_nav .= (empty($url) ? '' : '' . (get_selected_theme() == 'classic' ? ' -> ':'') . '
" . html_escape(resolve_navigation_variables($current_array['title'])) . '
" . html_escape(resolve_navigation_variables($current_array['title'])) . '
" . html_escape($tree_title) . '

" . __('Console') . '' . (get_selected_theme() == 'classic' ? ' -> ':'') . '
" . __('Link %s', html_escape($title)) . '

" . html_escape($title) . '

$name) { if ($timespan > $index) { $last = $index; continue; } elseif ($timespan == $index) { return $index; } else { return $last; } } return $last; } /* get_browser_query_string - returns the full url, including args requested by the browser @returns - the url requested by the browser */ function get_browser_query_string() { if (!empty($_SERVER['REQUEST_URI'])) { return sanitize_uri($_SERVER['REQUEST_URI']); } else { return sanitize_uri(get_current_page() . (empty($_SERVER['QUERY_STRING']) ? '' : '?' . $_SERVER['QUERY_STRING'])); } } /* get_current_page - returns the basename of the current page in a web server friendly way @returns - the basename of the current script file */ function get_current_page($basename = true) { if (isset($_SERVER['SCRIPT_NAME']) && $_SERVER['SCRIPT_NAME'] != '') { if ($basename) { return basename($_SERVER['SCRIPT_NAME']); } else { return $_SERVER['SCRIPT_NAME']; } } elseif (isset($_SERVER['SCRIPT_FILENAME']) && $_SERVER['SCRIPT_FILENAME'] != '') { if ($basename) { return basename($_SERVER['SCRIPT_FILENAME']); } else { return $_SERVER['SCRIPT_FILENAME']; } } else { cacti_log('ERROR: unable to determine current_page'); } return false; } /* get_hash_graph_template - returns the current unique hash for a graph template @arg $graph_template_id - (int) the ID of the graph template to return a hash for @arg $sub_type (optional) return the hash for a particular subtype of this type @returns - a 128-bit, hexadecimal hash */ function get_hash_graph_template($graph_template_id, $sub_type = 'graph_template') { switch ($sub_type) { case 'graph_template': $hash = db_fetch_cell_prepared('SELECT hash FROM graph_templates WHERE id = ?', array($graph_template_id)); break; case 'graph_template_item': $hash = db_fetch_cell_prepared('SELECT hash FROM graph_templates_item WHERE id = ?', array($graph_template_id)); break; case 'graph_template_input': $hash = db_fetch_cell_prepared('SELECT hash FROM graph_template_input WHERE id = ?', array($graph_template_id)); break; default: return generate_hash(); break; } if (preg_match('/[a-fA-F0-9]{32}/', $hash)) { return $hash; } else { return generate_hash(); } } /* get_hash_data_template - returns the current unique hash for a data template @arg $graph_template_id - (int) the ID of the data template to return a hash for @arg $sub_type (optional) return the hash for a particular subtype of this type @returns - a 128-bit, hexadecimal hash */ function get_hash_data_template($data_template_id, $sub_type = 'data_template') { switch ($sub_type) { case 'data_template': $hash = db_fetch_cell_prepared('SELECT hash FROM data_template WHERE id = ?', array($data_template_id)); break; case 'data_template_item': $hash = db_fetch_cell_prepared('SELECT hash FROM data_template_rrd WHERE id = ?', array($data_template_id)); break; default: return generate_hash(); break; } if (preg_match('/[a-fA-F0-9]{32}/', $hash)) { return $hash; } else { return generate_hash(); } } /* get_hash_data_input - returns the current unique hash for a data input method @arg $graph_template_id - (int) the ID of the data input method to return a hash for @arg $sub_type (optional) return the hash for a particular subtype of this type @returns - a 128-bit, hexadecimal hash */ function get_hash_data_input($data_input_id, $sub_type = 'data_input_method') { switch ($sub_type) { case 'data_input_method': $hash = db_fetch_cell_prepared('SELECT hash FROM data_input WHERE id = ?', array($data_input_id)); break; case 'data_input_field': $hash = db_fetch_cell_prepared('SELECT hash FROM data_input_fields WHERE id = ?', array($data_input_id)); break; default: return generate_hash(); break; } if (preg_match('/[a-fA-F0-9]{32}/', $hash)) { return $hash; } else { return generate_hash(); } } /* get_hash_cdef - returns the current unique hash for a cdef @arg $graph_template_id - (int) the ID of the cdef to return a hash for @arg $sub_type (optional) return the hash for a particular subtype of this type @returns - a 128-bit, hexadecimal hash */ function get_hash_cdef($cdef_id, $sub_type = 'cdef') { if (!is_numeric($cdef_id)) { return generate_hash(); } switch ($sub_type) { case 'cdef': $hash = db_fetch_cell_prepared('SELECT hash FROM cdef WHERE id = ?', array($cdef_id)); break; case 'cdef_item': $hash = db_fetch_cell_prepared('SELECT hash FROM cdef_items WHERE id = ?', array($cdef_id)); break; default: return generate_hash(); break; } if (strlen($hash) == 32 && ctype_xdigit($hash)) { return $hash; } else { return generate_hash(); } } /* get_hash_gprint - returns the current unique hash for a gprint preset @arg $graph_template_id - (int) the ID of the gprint preset to return a hash for @returns - a 128-bit, hexadecimal hash */ function get_hash_gprint($gprint_id) { $hash = db_fetch_cell_prepared('SELECT hash FROM graph_templates_gprint WHERE id = ?', array($gprint_id)); if (strlen($hash) == 32 && ctype_xdigit($hash)) { return $hash; } else { return generate_hash(); } } /** * returns the current unique hash for a vdef * @param $graph_template_id - (int) the ID of the vdef to return a hash for * @param $sub_type (optional) return the hash for a particular subtype of this type * @returns - a 128-bit, hexadecimal hash */ function get_hash_vdef($vdef_id, $sub_type = "vdef") { switch ($sub_type) { case 'vdef': $hash = db_fetch_cell_prepared('SELECT hash FROM vdef WHERE id = ?', array($vdef_id)); break; case 'vdef_item': $hash = db_fetch_cell_prepared('SELECT hash FROM vdef_items WHERE id = ?', array($vdef_id)); break; default: return generate_hash(); break; } if (strlen($hash) == 32 && ctype_xdigit($hash)) { return $hash; } else { return generate_hash(); } } /** * returns the current unique hash for a vdef * @param $data_source_profile_id - (int) the ID of the data_source_profile to return a hash for * @returns - a 128-bit, hexadecimal hash */ function get_hash_data_source_profile($data_source_profile_id) { $hash = db_fetch_cell_prepared('SELECT hash FROM data_source_profiles WHERE id = ?', array($data_source_profile_id)); if (strlen($hash) == 32 && ctype_xdigit($hash)) { return $hash; } else { return generate_hash(); } } /* get_hash_host_template - returns the current unique hash for a gprint preset @arg $host_template_id - (int) the ID of the host template to return a hash for @returns - a 128-bit, hexadecimal hash */ function get_hash_host_template($host_template_id) { $hash = db_fetch_cell_prepared('SELECT hash FROM host_template WHERE id = ?', array($host_template_id)); if (strlen($hash) == 32 && ctype_xdigit($hash)) { return $hash; } else { return generate_hash(); } } /* get_hash_data_query - returns the current unique hash for a data query @arg $graph_template_id - (int) the ID of the data query to return a hash for @arg $sub_type (optional) return the hash for a particular subtype of this type @returns - a 128-bit, hexadecimal hash */ function get_hash_data_query($data_query_id, $sub_type = 'data_query') { switch ($sub_type) { case 'data_query': $hash = db_fetch_cell_prepared('SELECT hash FROM snmp_query WHERE id = ?', array($data_query_id)); break; case 'data_query_graph': $hash = db_fetch_cell_prepared('SELECT hash FROM snmp_query_graph WHERE id = ?', array($data_query_id)); break; case 'data_query_sv_data_source': $hash = db_fetch_cell_prepared('SELECT hash FROM snmp_query_graph_rrd_sv WHERE id = ?', array($data_query_id)); break; case 'data_query_sv_graph': $hash = db_fetch_cell_prepared('SELECT hash FROM snmp_query_graph_sv WHERE id = ?', array($data_query_id)); break; default: return generate_hash(); break; } if (strlen($hash) == 32 && ctype_xdigit($hash)) { return $hash; } else { return generate_hash(); } } /* get_hash_version - returns the item type and cacti version in a hash format @arg $type - the type of item to represent ('graph_template','data_template', 'data_input_method','cdef','vdef','gprint_preset','data_query','host_template') @returns - a 24-bit hexadecimal hash (8-bits for type, 16-bits for version) */ function get_hash_version($type) { global $hash_type_codes, $cacti_version_codes, $config; return $hash_type_codes[$type] . $cacti_version_codes[CACTI_VERSION]; } /* generate_hash - generates a new unique hash @returns - a 128-bit, hexadecimal hash */ function generate_hash() { return md5(session_id() . microtime() . rand(0,1000)); } /* debug_log_insert_section_start - creates a header item for breaking down the debug log @arg $type - the 'category' or type of debug message @arg $text - section header */ function debug_log_insert_section_start($type, $text, $allowcopy = false) { $copy_prefix = ''; $copy_dataid = ''; if ($allowcopy) { $uid = generate_hash(); $copy_prefix = '

' . __esc('Copy') . '

'; $copy_dataid = ' id=\'clipboardData'.$uid.'\''; $copy_headerid = ' id=\'clipboardHeader'.$uid.'\''; } debug_log_insert($type, '

' . html_escape($text) . $copy_prefix . '

"); } /* debug_log_insert - inserts a line of text into the debug log @arg $type - the 'category' or type of debug message @arg $text - the actual debug message */ function debug_log_insert($type, $text) { global $config; if ($config['poller_id'] == 1 || isset($_SESSION)) { if (!isset($_SESSION['debug_log'][$type])) { $_SESSION['debug_log'][$type] = array(); } array_push($_SESSION['debug_log'][$type], $text); } else { if (!isset($config['debug_log'][$type])) { $config['debug_log'][$type] = array(); } array_push($config['debug_log'][$type], $text); } } /* debug_log_clear - clears the debug log for a particular category @arg $type - the 'category' to clear the debug log for. omitting this argument implies all categories */ function debug_log_clear($type = '') { if ($type == '') { kill_session_var('debug_log'); } else { if (isset($_SESSION['debug_log'])) { unset($_SESSION['debug_log'][$type]); } } } /* debug_log_return - returns the debug log for a particular category @arg $type - the 'category' to return the debug log for. @returns - the full debug log for a particular category */ function debug_log_return($type) { $log_text = ''; if ($type == 'new_graphs') { if (isset($_SESSION['debug_log'][$type])) { $log_text .= ""; for ($i=0; $i'; } $log_text .= '

'; } } else { if (isset($_SESSION['debug_log'][$type])) { $log_text .= ""; foreach($_SESSION['debug_log'][$type] as $key => $val) { $log_text .= "\n"; unset($_SESSION['debug_log'][$type][$key]); } $log_text .= '

$val

'; } } return $log_text; } /* sanitize_search_string - cleans up a search string submitted by the user to be passed to the database. NOTE: some of the code for this function came from the phpBB project. @arg $string - the original raw search string @returns - the sanitized search string */ function sanitize_search_string($string) { static $drop_char_match = array('(',')','^', '$', '<', '>', '`', '\'', '"', '|', ',', '?', '+', '[', ']', '{', '}', '#', ';', '!', '=', '*'); static $drop_char_replace = array('','',' ', ' ', ' ', ' ', '', '', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '); /* Replace line endings by a space */ $string = preg_replace('/[\n\r]/is', ' ', $string); /* HTML entities like */ $string = preg_replace('/\b&[a-z]+;\b/', ' ', $string); /* Remove URL's */ $string = preg_replace('/\b[a-z0-9]+:\/\/[a-z0-9\.\-]+(\/[a-z0-9\?\.%_\-\+=&\/]+)?/', ' ', $string); /* Filter out strange characters like ^, $, &, change "it's" to "its" */ for($i = 0; $i < cacti_count($drop_char_match); $i++) { $string = str_replace($drop_char_match[$i], $drop_char_replace[$i], $string); } return $string; } /** cleans up a URI, e.g. from REQUEST_URI and/or QUERY_STRING * in case of XSS attack, expect the result to be broken * we do NOT sanitize in a way, that attacks are converted to valid HTML * it is ok, when the result is broken but the application stays alive * @arg string $uri - the uri to be sanitized * @returns string - the sanitized uri */ function sanitize_uri($uri) { static $drop_char_match = array('^', '$', '<', '>', '`', "'", '"', '|', '+', '[', ']', '{', '}', ';', '!', '(', ')'); static $drop_char_replace = array( '', '', '', '', '', '', '', '', '', '', '', '', '', '', ''); if (strpos($uri, 'graph_view.php')) { if (!strpos($uri, 'action=')) { $uri = $uri . (strpos($uri, '?') ? '&':'?') . 'action=' . get_request_var('action'); } } return str_replace($drop_char_match, $drop_char_replace, strip_tags(urldecode($uri))); } /** Checks to see if a string is base64 encoded * @arg string $data - the string to be validated * @returns boolean - true is the string is base64 otherwise false */ function is_base64_encoded($data) { // Perform a simple check first if (!preg_match('/^[a-zA-Z0-9\/\r\n+]*={0,2}$/', $data)) { return false; } // Now test with the built-in function $ndata = base64_decode($data, true); if ($ndata === false) { return false; } // Do a re-encode test and compare if (base64_encode($ndata) != $data) { return false; } return true; } /** cleans up a CDEF/VDEF string * the CDEF/VDEF must have passed all magic string replacements beforehand * @arg string $cdef - the CDEF/VDEF to be sanitized * @returns string - the sanitized CDEF/VDEF */ function sanitize_cdef($cdef) { static $drop_char_match = array('^', '$', '<', '>', '`', '\'', '"', '|', '[', ']', '{', '}', ';', '!'); static $drop_char_replace = array( '', '', '', '', '', '', '', '', '', '', '', '', '', ''); return str_replace($drop_char_match, $drop_char_replace, $cdef); } /** verifies all selected items are numeric to guard against injection * @arg array $items - an array of serialized items from a post * @returns array - the sanitized selected items array */ function sanitize_unserialize_selected_items($items) { if ($items != '') { $items = unserialize(stripslashes($items)); if (is_array($items)) { foreach ($items as $item) { if (is_array($item)) { return false; } elseif (!is_numeric($item) && ($item != '')) { return false; } } } else { return false; } } else { return false; } return $items; } function cacti_escapeshellcmd($string) { global $config; if ($config['cacti_server_os'] == 'unix') { return escapeshellcmd($string); } else { $replacements = "#&;`|*?<>^()[]{}$\\"; for ($i=0; $i < strlen($replacements); $i++) { $string = str_replace($replacements[$i], ' ', $string); } return $string; } } /** * mimics escapeshellarg, even for windows * @param $string - the string to be escaped * @param $quote - true: do NOT remove quotes from result; false: do remove quotes * @return - the escaped [quoted|unquoted] string */ function cacti_escapeshellarg($string, $quote = true) { global $config; if ($string == '') { return $string; } /* we must use an apostrophe to escape community names under Unix in case the user uses characters that the shell might interpret. the ucd-snmp binaries on Windows flip out when you do this, but are perfectly happy with a quotation mark. */ if ($config['cacti_server_os'] == 'unix') { $string = escapeshellarg($string); if ($quote) { return $string; } else { # remove first and last char return substr($string, 1, (strlen($string)-2)); } } else { /* escapeshellarg takes care of different quotation for both linux and windows, * but unfortunately, it blanks out percent signs * we want to keep them, e.g. for GPRINT format strings * so we need to create our own escapeshellarg * on windows, command injection requires to close any open quotation first * so we have to escape any quotation here */ if (substr_count($string, CACTI_ESCAPE_CHARACTER)) { $string = str_replace(CACTI_ESCAPE_CHARACTER, "\\" . CACTI_ESCAPE_CHARACTER, $string); } /* ... before we add our own quotation */ if ($quote) { return CACTI_ESCAPE_CHARACTER . $string . CACTI_ESCAPE_CHARACTER; } else { return $string; } } } /** * set a page refresh in Cacti through a callback * @param $refresh - an array containing the page, seconds, and logout * @return - nill */ function set_page_refresh($refresh) { if (isset($refresh['seconds'])) { $_SESSION['refresh']['seconds'] = $refresh['seconds']; } if (isset($refresh['logout'])) { if ($refresh['logout'] == 'true' || $refresh['logout'] === true) { $_SESSION['refresh']['logout'] = 'true'; } else { $_SESSION['refresh']['logout'] = 'false'; } } else { $_SESSION['refresh']['logout'] = 'true'; } if (isset($refresh['page'])) { $_SESSION['refresh']['page'] = $refresh['page']; } } function bottom_footer() { global $config, $no_session_write; include_once($config['base_path'] . '/include/global_session.php'); if (!isset_request_var('header') || get_nfilter_request_var('header') == 'true') { include_once($config['base_path'] . '/include/bottom_footer.php'); } /* we use this session var to store field values for when a save fails, this way we can restore the field's previous values. we reset it here, because they only need to be stored for a single page */ kill_session_var('sess_field_values'); /* make sure the debug log doesn't get too big */ debug_log_clear(); /* close the session */ if (array_search(get_current_page(), $no_session_write) === false) { session_write_close(); } /* close the database connection */ db_close(); } function top_header() { global $config; if (!isset_request_var('header') || get_nfilter_request_var('header') == 'true') { include_once($config['base_path'] . '/include/top_header.php'); } } function top_graph_header() { global $config; if (!isset_request_var('header') || get_nfilter_request_var('header') == 'true') { include_once($config['base_path'] . '/include/top_graph_header.php'); } } function general_header() { global $config; if (!isset_request_var('header') || get_nfilter_request_var('header') == 'true') { include_once($config['base_path'] . '/include/top_general_header.php'); } } function appendHeaderSuppression($url) { if (strpos($url, 'header=false') < 0) { return $url . (strpos($url, '?') ? '&':'?') . 'header=false'; } return $url; } function admin_email($subject, $message) { if (read_config_option('admin_user')) { if (read_config_option('notify_admin')) { $admin_details = db_fetch_row_prepared('SELECT full_name, email_address FROM user_auth WHERE id = ?', array(read_config_option('admin_user'))); if (cacti_sizeof($admin_details)) { $email = read_config_option('settings_from_email'); $name = read_config_option('settings_from_name'); if ($name != '') { $from = '"' . $name . '" <' . $email . '>'; } else { $from = $email; } if ($admin_details['email_address'] != '') { if ($admin_details['full_name'] != '') { $to = '"' . $admin_details['full_name'] . '" <' . $admin_details['email_address'] . '>'; } else { $to = $admin_details['email_address']; } send_mail($to, $from, $subject, $message, '', '', true); } else { cacti_log('WARNING: Primary Admin account does not have an email address! Unable to send administrative Email.', false, 'SYSTEM'); } } else { cacti_log('WARNING: Primary Admin account set to an invalid user! Unable to send administrative Email.', false, 'SYSTEM'); } } else { cacti_log('WARNING: Primary Admin account notifications disabled! Unable to send administrative Email.', false, 'SYSTEM'); } } else { cacti_log('WARNING: Primary Admin account not set! Unable to send administrative Email.', false, 'SYSTEM'); } } function send_mail($to, $from, $subject, $body, $attachments = '', $headers = '', $html = false) { $fromname = ''; if (is_array($from)) { $fromname = $from[1]; $from = $from[0]; } if ($from == '') { $from = read_config_option('settings_from_email'); $fromname = read_config_option('settings_from_name'); } elseif ($fromname == '') { $full_name = db_fetch_cell_prepared('SELECT full_name FROM user_auth WHERE email_address = ?', array($from)); if (empty($full_name)) { $fromname = $from; } else { $fromname = $full_name; } } $from = array(0 => $from, 1 => $fromname); return mailer($from, $to, '', '', '', $subject, $body, '', $attachments, $headers, $html); } /** mailer - function to send mails to users * @arg $from - single contact (see below) * @arg $to - single or multiple contacts (see below) * @arg $cc - none, single or multiple contacts (see below) * @arg $bcc - none, single or multiple contacts (see below) * @arg $replyto - none, single or multiple contacts (see below) * note that this value is used when hitting reply (overriding the default of using from) * @arg $subject - the email subject * @arg $body - the email body, in HTML format. If content_text is not set, the function will attempt to extract * from the HTML format. * @arg $body_text - the email body in TEXT format. If set, it will override the stripping tags method * @arg $attachments - the emails attachments as an array * @arg $headers - an array of name value pairs representing custom headers. * @arg $html - if set to true, html is the default, otherwise text format will be used * * For contact parameters, they can accept arrays containing zero or more values in the forms of: * 'email@email.com,email2@email.com,email3@email.com' * array('email1@email.com' => 'My email', 'email2@email.com' => 'Your email', 'email3@email.com' => 'Whose email') * array(array('email' => 'email1@email.com', 'name' => 'My email'), array('email' => 'email2@email.com', * 'name' => 'Your email'), array('email' => 'email3@email.com', 'name' => 'Whose email')) * * The $from field will only use the first contact specified. If no contact is provided for $replyto * then $from is used for that too. If $from is empty, it will default to cacti@ or if no server name can * be found, it will use cacti@cacti.net * * The $attachments parameter may either be a single string, or a list of attachments * either as strings or an array. The array can have the following keys: * * filename : name of the file to attach (display name for graphs) * display : displayed name of the attachment * mime_type : MIME type to be set against the attachment. If blank or missing mailer will attempt to auto detect * attachment : String containing attachment for image-based attachments ( or activates graph mode * and requires $body parameter is HTML containing one of those values) * inline : Whether to attach 'inline' (default for graph mode) or as 'attachment' (default for all others) * encoding : Encoding type, normally base64 */ function mailer($from, $to, $cc, $bcc, $replyto, $subject, $body, $body_text = '', $attachments = '', $headers = '', $html = true) { global $config, $cacti_locale, $mail_methods; require_once($config['include_path'] . '/vendor/phpmailer/src/Exception.php'); require_once($config['include_path'] . '/vendor/phpmailer/src/PHPMailer.php'); require_once($config['include_path'] . '/vendor/phpmailer/src/SMTP.php'); // Create the PHPMailer instance $mail = new PHPMailer\PHPMailer\PHPMailer; // Set a reasonable timeout of 5 seconds $timeout = read_config_option('settings_smtp_timeout'); if (empty($timeout) || $timeout < 0 || $timeout > 300) { $mail->Timeout = 5; } else { $mail->Timeout = $timeout; } $langparts = explode('-', $cacti_locale); if (file_exists($config['include_path'] . '/vendor/phpmailer/language/phpmailer.lang-' . $langparts[0] . '.php')) { $mail->setLanguage($langparts[0], $config['include_path'] . '/vendor/phpmailer/language/'); } $how = read_config_option('settings_how'); if ($how < 0 || $how > 2) { $how = 0; } if ($how == 0) { $mail->isMail(); } elseif ($how == 1) { $mail->Sendmail = read_config_option('settings_sendmail_path'); $mail->isSendmail(); } elseif ($how == 2) { $mail->isSMTP(); $mail->Host = read_config_option('settings_smtp_host'); $mail->Port = read_config_option('settings_smtp_port'); if (read_config_option('settings_smtp_username') != '') { $mail->SMTPAuth = true; $mail->Username = read_config_option('settings_smtp_username'); if (read_config_option('settings_smtp_password') != '') { $mail->Password = read_config_option('settings_smtp_password'); } } else { $mail->SMTPAuth = false; } $secure = read_config_option('settings_smtp_secure'); if (!empty($secure) && $secure != 'none') { $mail->SMTPSecure = true; if (substr_count($mail->Host, ':') == 0) { $mail->Host = $secure . '://' . $mail->Host; } } else { $mail->SMTPAutoTLS = false; $mail->SMTPSecure = false; } } /* perform data substitution */ if (strpos($subject, '|date_time|') !== false) { $date = read_config_option('date'); if (!empty($date)) { $time = strtotime($date); } else { $time = time(); } $subject = str_replace('|date_time|', date(CACTI_DATE_TIME_FORMAT, $time), $subject); } /* * Set the from details using the variable passed in * - if name is blank, use setting's name * - if email is blank, use setting's email, otherwise default to * cacti@ or cacti@cacti.net if no known server name */ $from = parse_email_details($from, 1); // from name was empty, use value in settings if (empty($from['name'])) { $from['name'] = read_config_option('settings_from_name'); } // from email was empty, use email in settings if (empty($from['email'])) { $from['email'] = read_config_option('settings_from_email'); } if (empty($from['email'])) { if (isset($_SERVER['HOSTNAME'])) { $from['email'] = 'Cacti@' . $_SERVER['HOSTNAME']; } else { $from['email'] = 'Cacti@cacti.net'; } if (empty($from['name'])) { $from['name'] = 'Cacti'; } } $fromText = add_email_details(array($from), $result, array($mail, 'setFrom')); if ($result == false) { return record_mailer_error($fromText, $mail->ErrorInfo); } // Convert $to variable to proper array structure $to = parse_email_details($to); $toText = add_email_details($to, $result, array($mail, 'addAddress')); if ($result == false) { return record_mailer_error($toText, $mail->ErrorInfo); } $cc = parse_email_details($cc); $ccText = add_email_details($cc, $result, array($mail, 'addCC')); if ($result == false) { return record_mailer_error($ccText, $mail->ErrorInfo); } $bcc = parse_email_details($bcc); $bccText = add_email_details($bcc, $result, array($mail, 'addBCC')); if ($result == false) { return record_mailer_error($bccText, $mail->ErrorInfo); } // This is a failsafe, should never happen now if (!(cacti_sizeof($to) || cacti_sizeof($cc) || cacti_sizeof($bcc))) { cacti_log('ERROR: No recipient address set!!', false, 'MAILER'); cacti_debug_backtrace('MAILER ERROR'); return __('Mailer Error: No recipient address set!!
If using the Test Mail link, please set the Alert e-mail setting.'); } $replyto = parse_email_details($replyto); $replyText = add_email_details($replyto, $result, array($mail, 'addReplyTo')); if ($result == false) { return record_mailer_error($replyText, $mail->ErrorInfo); } $body = str_replace('', $subject, $body); $body = str_replace('', $toText, $body); $body = str_replace('', $ccText, $body); $body = str_replace('', $fromText, $body); $body = str_replace('', $replyText, $body); $body_text = str_replace('', $subject, $body_text); $body_text = str_replace('', $toText, $body_text); $body_text = str_replace('', $ccText, $body_text); $body_text = str_replace('', $fromText, $body_text); $body_text = str_replace('', $replyText, $body_text); // Set the subject $mail->Subject = $subject; // Support i18n $mail->CharSet = 'UTF-8'; $mail->Encoding = 'base64'; // Set the wordwrap limits $wordwrap = read_config_option('settings_wordwrap'); if ($wordwrap == '') { $wordwrap = 76; } elseif ($wordwrap > 9999) { $wordwrap = 9999; } elseif ($wordwrap < 0) { $wordwrap = 76; } $mail->WordWrap = $wordwrap; $mail->setWordWrap(); if (!$html) { $mail->ContentType = 'text/plain'; } else { $mail->ContentType = 'text/html'; } $i = 0; // Handle Graph Attachments if (!empty($attachments) && !is_array($attachments)) { $attachments = array('attachment' => $attachments); } if (is_array($attachments) && cacti_sizeof($attachments)) { $graph_mode = (substr_count($body, '') > 0); $graph_ids = (substr_count($body, ' 0); $default_opts = array( // MIME type to be set against the attachment 'mime_type' => '', // Display name of the attachment 'filename' => '', // String containing attachment for image-based attachments 'attachment' => '', // Whether to attach inline or as attachment 'inline' => ($graph_mode || $graph_ids) ? 'inline' : 'attachment', // Encoding type, normally base64 'encoding' => 'base64', ); foreach($attachments as $attachment) { if (!is_array($attachment)) { $attachment = array('attachment' => $attachment); } foreach ($default_opts as $opt_name => $opt_default) { if (!array_key_exists($opt_name, $attachment)) { $attachment[$opt_name] = $opt_default; } } if (!empty($attachment['attachment'])) { /* get content id and create attachment */ $cid = getmypid() . '_' . $i . '@' . 'localhost'; if (empty($attachment['filename'])) { $attachment['filename'] = basename($attachment['attachment']); } /* attempt to attach */ if (!($graph_mode || $graph_ids)) { $result = $mail->addAttachment($attachment['attachment'], $attachment['filename'], $attachment['encoding'], $attachment['mime_type'], $attachment['inline']); } else { $result = $mail->addStringEmbeddedImage($attachment['attachment'], $cid, $attachment['filename'], 'base64', $attachment['mime_type'], $attachment['inline']); } if ($result == false) { cacti_log('ERROR: ' . $mail->ErrorInfo, false, 'MAILER'); return $mail->ErrorInfo; } $i++; if ($graph_mode) { $body = str_replace('', "

", $body); } else if ($graph_ids) { /* handle the body text */ switch ($attachment['inline']) { case 'inline': $body = str_replace('', "

", $body); break; case 'attachment': $body = str_replace('', '', $body); break; } } } } } /* process custom headers */ if (is_array($headers) && cacti_sizeof($headers)) { foreach($headers as $name => $value) { $mail->addCustomHeader($name, $value); } } // Set both html and non-html bodies $brs = array('
', '
', '
'); if ($html) { $body = $body . '
'; } if ($body_text == '') { $body_text = strip_tags(str_ireplace($brs, "\n", $body)); } $mail->isHTML($html); $mail->Body = ($html ? $body : $body_text); if ($html && $body_text != '') { $mail->AltBody = $body_text; } $result = $mail->send(); $error = $mail->ErrorInfo; //$result ? '' : $mail->ErrorInfo; $method = $mail_methods[intval(read_config_option('settings_how'))]; $rtype = $result ? 'INFO' : 'WARNING'; $rmsg = $result ? 'successfully sent' : 'failed'; if ($error != '') { $message = sprintf("%s: Mail %s via %s from '%s', to '%s', cc '%s', Subject '%s'%s", $rtype, $rmsg, $method, $fromText, $toText, $ccText, $subject, ", Error: $error"); } else { $message = sprintf("%s: Mail %s via %s from '%s', to '%s', cc '%s', Subject '%s'", $rtype, $rmsg, $method, $fromText, $toText, $ccText, $subject); } cacti_log($message, false, 'MAILER'); if ($result == false) { cacti_log(cacti_debug_backtrace($rtype), false, 'MAILER'); } return $error; } function record_mailer_error($retError, $mailError) { $errorInfo = empty($retError) ? $mailError : $retError; cacti_log('ERROR: ' . $errorInfo, false, 'CMDPHP MAILER'); cacti_debug_backtrace('MAILER ERROR'); return $errorInfo; } function add_email_details($emails, &$result, callable $addFunc) { $arrText = array(); foreach ($emails as $e) { if (!empty($e['email'])) { //if (is_callable($addFunc)) { if (!empty($addFunc)) { $result = $addFunc($e['email'], $e['name']); if (!$result) { return ''; } } $arrText[] = create_emailtext($e); } else if (!empty($e['name'])) { $result = false; return 'Bad email format, name but no address: ' . $e['name']; } } $text = implode(',', $arrText); //echo "add_email_sw_details(): $text\n"; return $text; } function parse_email_details($emails, $max_records = 0, $details = array()) { if (!is_array($emails)) { $emails = array($emails); } $update = array(); foreach ($emails as $check_email) { if (!empty($check_email)) { if (!is_array($check_email)) { $emails = explode(',', $check_email); foreach($emails as $email) { $email_array = split_emaildetail($email); $details[] = $email_array; } } else { $has_name = array_key_exists('name', $check_email); $has_email = array_key_exists('email', $check_email); if ($has_name || $has_email) { $name = $has_name ? $check_email['name'] : ''; $email = $has_email ? $check_email['email'] : ''; } else { $name = array_key_exists(1, $check_email) ? $check_email[1] : ''; $email = array_key_exists(0, $check_email) ? $check_email[0] : ''; } $details[] = array('name' => trim($name), 'email' => trim($email)); } } } if ($max_records == 1) { $results = count($details) ? $details[0] : array(); } elseif ($max_records != 0 && $max_records < count($details)) { $results = array(); foreach ($details as $d) { $results[] = $d; $max_records--; if ($max_records == 0) { break; } } } else { $results = $details; } return $results; } function split_emaildetail($email) { $rname = ''; $rmail = ''; if (!is_array($email)) { $email = trim($email); $sPattern = '/(?:"?([^"]*)"?\s)?(?:]+)>?)/i'; preg_match($sPattern, $email, $aMatch); if (isset($aMatch[1])) { $rname = trim($aMatch[1]); } if (isset($aMatch[2])) { $rmail = trim($aMatch[2]); } } else { $rmail = $email[0]; $rname = $email[1]; } return array('name' => $rname, 'email' => $rmail); } function create_emailtext($e) { if (empty($e['email'])) { $text = ''; } else { if (empty($e['name'])) { $text = $e['email']; } else { $text = $e['name'] . ' <' . $e['email'] . '>'; } } return $text; } function ping_mail_server($host, $port, $user, $password, $timeout = 10, $secure = 'none') { global $config; require_once($config['include_path'] . '/vendor/phpmailer/src/Exception.php'); require_once($config['include_path'] . '/vendor/phpmailer/src/PHPMailer.php'); require_once($config['include_path'] . '/vendor/phpmailer/src/SMTP.php'); //Create a new SMTP instance $smtp = new PHPMailer\PHPMailer\SMTP; if (!empty($secure) && $secure != 'none') { $smtp->SMTPSecure = $secure; if (substr_count($host, ':') == 0) { $host = $secure . '://' . $host; } } else { $smtp->SMTPAutoTLS = false; $smtp->SMTPSecure = false; } //Enable connection-level debug output $smtp->do_debug = 0; //$smtp->do_debug = SMTP::DEBUG_LOWLEVEL; $results = true; try { //Connect to an SMTP server if ($smtp->connect($host, $port, $timeout)) { //Say hello if ($smtp->hello(gethostbyname(gethostname()))) { //Put your host name in here //Authenticate if ($user != '') { if ($smtp->authenticate($user, $password)) { $results = true; } else { throw new Exception(__('Authentication failed: %s', $smtp->getLastReply())); } } } else { throw new Exception(__('HELO failed: %s', $smtp->getLastReply())); } } else { throw new Exception(__('Connect failed: %s', $smtp->getLastReply())); } } catch (Exception $e) { $results = __('SMTP error: ') . $e->getMessage(); cacti_log($results); } //Whatever happened, close the connection. $smtp->quit(true); return $results; } function email_test() { global $config; $message = __('This is a test message generated from Cacti. This message was sent to test the configuration of your Mail Settings.') . '

'; $message .= __('Your email settings are currently set as follows') . '

'; $message .= '' . __('Method') . ': '; print __('Checking Configuration...
'); $ping_results = true; $how = read_config_option('settings_how'); if ($how < 0 || $how > 2) $how = 0; if ($how == 0) { $mail = __('PHP\'s Mailer Class'); } elseif ($how == 1) { $mail = __('Sendmail') . '
' . __('Sendmail Path'). ': '; $sendmail = read_config_option('settings_sendmail_path'); $mail .= $sendmail; } elseif ($how == 2) { print __('Method: SMTP') . '
'; $mail = __('SMTP') . '
'; $smtp_host = read_config_option('settings_smtp_host'); $smtp_port = read_config_option('settings_smtp_port'); $smtp_username = read_config_option('settings_smtp_username'); $smtp_password = read_config_option('settings_smtp_password'); $smtp_secure = read_config_option('settings_smtp_secure'); $smtp_timeout = read_config_option('settings_smtp_timeout'); $mail .= "" . __('Device') . ": $smtp_host
"; $mail .= "" . __('Port') . ": $smtp_port
"; if ($smtp_username != '' && $smtp_password != '') { $mail .= '' . __('Authentication') . ': true
'; $mail .= '' . __('Username') . ": $smtp_username
"; $mail .= '' . __('Password') . ': (' . __('Not Shown for Security Reasons') . ')
'; $mail .= '' . __('Security') . ": $smtp_secure
"; } else { $mail .= '' . __('Authentication') . ': false
'; } if (read_config_option('settings_ping_mail') == 0) { $ping_results = ping_mail_server($smtp_host, $smtp_port, $smtp_username, $smtp_password, $smtp_timeout, $smtp_secure); print __('Ping Results:') . ' ' . ($ping_results == 1 ? __('Success'):$ping_results) . '
'; if ($ping_results != 1) { $mail .= '' . __('Ping Results') . ': ' . $ping_results . '
'; } else { $mail .= '' . __('Ping Results') . ': ' . __('Success') . '
'; } } else { $ping_results = 1; $mail .= '' . __('Ping Results') . ': ' . __('Bypassed') . '
'; } } $message .= $mail; $message .= '
'; $errors = ''; if ($ping_results == 1) { print __('Creating Message Text...') . '

'; print "

"; print "

$message

"; print __('Sending Message...') . '

'; $global_alert_address = read_config_option('settings_test_email'); $errors = send_mail($global_alert_address, '', __('Cacti Test Message'), $message, '', '', true); if ($errors == '') { $errors = __('Success!'); } } else { print __('Message Not Sent due to ping failure.'). '

'; } print "

"; print "

$errors

"; } /* gethostbyaddr_wtimeout - This function provides a good method of performing a rapid lookup of a DNS entry for a host so long as you don't have to look far. */ function get_dns_from_ip ($ip, $dns, $timeout = 1000) { /* random transaction number (for routers etc to get the reply back) */ $data = rand(10, 99); /* trim it to 2 bytes */ $data = substr($data, 0, 2); /* create request header */ $data .= "\1\0\0\1\0\0\0\0\0\0"; /* split IP into octets */ $octets = explode('.', $ip); /* perform a quick error check */ if (cacti_count($octets) != 4) return 'ERROR'; /* needs a byte to indicate the length of each segment of the request */ for ($x=3; $x>=0; $x--) { switch (strlen($octets[$x])) { case 1: // 1 byte long segment $data .= "\1"; break; case 2: // 2 byte long segment $data .= "\2"; break; case 3: // 3 byte long segment $data .= "\3"; break; default: // segment is too big, invalid IP return 'ERROR'; } /* and the segment itself */ $data .= $octets[$x]; } /* and the final bit of the request */ $data .= "\7in-addr\4arpa\0\0\x0C\0\1"; /* create UDP socket */ $handle = @fsockopen("udp://$dns", 53); @stream_set_timeout($handle, floor($timeout/1000), ($timeout*1000)%1000000); @stream_set_blocking($handle, 1); /* send our request (and store request size so we can cheat later) */ $requestsize = @fwrite($handle, $data); /* get the response */ $response = @fread($handle, 1000); /* check to see if it timed out */ $info = @stream_get_meta_data($handle); /* close the socket */ @fclose($handle); if ($info['timed_out']) { return 'timed_out'; } /* more error handling */ if ($response == '') { return $ip; } /* parse the response and find the response type */ $type = @unpack('s', substr($response, $requestsize+2)); if (isset($type[1]) && $type[1] == 0x0C00) { /* set up our variables */ $host = ''; $len = 0; /* set our pointer at the beginning of the hostname uses the request size from earlier rather than work it out. */ $position = $requestsize + 12; /* reconstruct the hostname */ do { /* get segment size */ $len = unpack('c', substr($response, $position)); /* null terminated string, so length 0 = finished */ if ($len[1] == 0) { /* return the hostname, without the trailing '.' */ return strtoupper(substr($host, 0, strlen($host) -1)); } /* add the next segment to our host */ $host .= substr($response, $position+1, $len[1]) . '.'; /* move pointer on to the next segment */ $position += $len[1] + 1; } while ($len != 0); /* error - return the hostname we constructed (without the . on the end) */ return strtoupper($ip); } /* error - return the hostname */ return strtoupper($ip); } function poller_maintenance () { global $config; $command_string = cacti_escapeshellcmd(read_config_option('path_php_binary')); // If its not set, just assume its in the path if (trim($command_string) == '') { $command_string = 'php'; } $extra_args = ' -q ' . cacti_escapeshellarg($config['base_path'] . '/poller_maintenance.php'); exec_background($command_string, $extra_args); } function clog_admin() { if (!isset($_SESSION['sess_clog_level'])) { clog_authorized(); } if ($_SESSION["sess_clog_level"] == CLOG_PERM_ADMIN) { return true; } else { return false; } } function clog_authorized() { if (!isset($_SESSION['sess_clog_level'])) { if (isset($_SESSION['sess_user_id'])) { if (is_realm_allowed(18)) { $_SESSION['sess_clog_level'] = CLOG_PERM_ADMIN; } else { if (is_realm_allowed(19)) { $_SESSION['sess_clog_level'] = CLOG_PERM_USER; }else { $_SESSION['sess_clog_level'] = CLOG_PERM_NONE; } } } else { $_SESSION['sess_clog_level'] = CLOG_PERM_NONE; } } if ($_SESSION['sess_clog_level'] == CLOG_PERM_USER) { return true; } elseif ($_SESSION['sess_clog_level'] == CLOG_PERM_ADMIN) { return true; } else { return false; } } function update_system_mibs($host_id) { global $sessions; $system_mibs = array( 'snmp_sysDescr' => '.1.3.6.1.2.1.1.1.0', 'snmp_sysObjectID' => '.1.3.6.1.2.1.1.2.0', 'snmp_sysUpTimeInstance' => '.1.3.6.1.2.1.1.3.0', 'snmp_sysContact' => '.1.3.6.1.2.1.1.4.0', 'snmp_sysName' => '.1.3.6.1.2.1.1.5.0', 'snmp_sysLocation' => '.1.3.6.1.2.1.1.6.0' ); $h = db_fetch_row_prepared('SELECT * FROM host WHERE id = ?', array($host_id)); if (cacti_sizeof($h)) { open_snmp_session($host_id, $h); if (isset($sessions[$host_id . '_' . $h['snmp_version'] . '_' . $h['snmp_port']])) { foreach($system_mibs as $name => $oid) { $value = cacti_snmp_session_get($sessions[$host_id . '_' . $h['snmp_version'] . '_' . $h['snmp_port']], $oid); if (!empty($value)) { db_execute_prepared("UPDATE host SET $name = ? WHERE id = ?", array($value, $host_id)); } } } else { cacti_log("WARNING: Unable to open session for System Mib collection for Device[$host_id]", false, 'POLLER'); } } } function cacti_debug_backtrace($entry = '', $html = false, $record = true, $limit = 0, $skip = 0) { global $config; $skip = $skip >= 0 ? $skip : 1; $limit = $limit > 0 ? ($limit + $skip) : 0; $callers = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, $limit); while ($skip > 0) { array_shift($callers); $skip--; } $s=''; foreach ($callers as $c) { if (isset($c['line'])) { $line = '[' . $c['line'] . ']'; } else { $line = ''; } if (isset($c['file'])) { $file = str_replace($config['base_path'], '', $c['file']) . $line; } else { $file = $line; } $func = $c['function'].'()'; if (isset($c['class'])) { $func = $c['class'] . $c['type'] . $func; } $s = ($file != '' ? $file . ':':'') . "$func" . (empty($s) ? '' : ', ') . $s; } if (!empty($s)) { $s = ' (' . $s . ')'; } if ($record) { if ($html) { echo "

\n"; } cacti_log(trim("$entry Backtrace: " . clean_up_lines($s)), false); } else { if (!empty($entry)) { return trim("$entry Backtrace: " . clean_up_lines($s)); } else { return trim(clean_up_lines($s)); } } } /* calculate_percentiles - Given and array of numbers, calculate the Nth percentile, * optionally, return an array of numbers containing elements required for * a whisker chart. * * @arg $data - an array of data * @arg $percentile - the Nth percentile to calculate. By default 95th. * #arg $whisker - if whisker is true, an array of values will be returned * including 25th, median, 75th, and 90th percentiles. * * @returns - either the Nth percentile, the elements for a whisker chart, * or false if there is insufficient data to determine. */ function calculate_percentiles($data, $percentile = 95, $whisker = false) { if ($percentile > 0 && $percentile < 1) { $p = $percentile; } elseif ($percentile > 1 && $percentile <= 100) { $p = $percentile * .01; }else { return false; } if ($whisker) { $tiles = array( '25th' => 0.25, '50th' => 0.50, '75th' => 0.75, '90th' => 0.90, '95th' => 0.95, ); } else { $tiles = array( 'custom' => $p ); } $results = array(); $elements = cacti_sizeof($data); /* sort the array to return */ sort($data); foreach($tiles as $index => $p) { /* calculate offsets into the array */ $allindex = ($elements - 1) * $p; $intvalindex = intval($allindex); $floatval = $allindex - $intvalindex; if (!is_float($floatval)) { $ptile = $data[$intvalindex]; } else { if ($elements > $intvalindex + 1) { $ptile = $floatval * ($data[$intvalindex + 1] - $data[$intvalindex]) + $data[$intvalindex]; } else { $ptile = $data[$intvalindex]; } } if ($index == 'custom') { return $ptile; } else { $results[$index] = $ptile; } } return $results; } function get_timeinstate($host) { $interval = read_config_option('poller_interval'); if ($host['availability_method'] == 0) { $time = 0; } elseif (isset($host['instate'])) { $time = $host['instate']; } elseif ($host['status_event_count'] > 0 && ($host['status'] == 1 || $host['status'] == 2)) { $time = $host['status_event_count'] * $interval; } elseif (strtotime($host['status_rec_date']) < 943916400 && ($host['status'] == 0 || $host['status'] == 3)) { $time = $host['total_polls'] * $interval; } elseif (strtotime($host['status_rec_date']) > 943916400) { $time = time() - strtotime($host['status_rec_date']); } elseif ($host['snmp_sysUpTimeInstance'] > 0) { $time = $host['snmp_sysUpTimeInstance']/100; } else { $time = 0; } return ($time > 0) ? get_daysfromtime($time) : __('N/A'); } function get_uptime($host) { return ($host['snmp_sysUpTimeInstance'] > 0) ? get_daysfromtime($host['snmp_sysUpTimeInstance']/100) : __('N/A'); } function get_daysfromtime($time, $secs = false, $pad = '', $format = DAYS_FORMAT_SHORT, $all = false) { global $days_from_time_settings; // Ensure we use an existing format or we'll end up with no text at all if (!isset($days_from_time_settings['text'][$format])) { $format = DAYS_FORMAT_SHORT; } $mods = $days_from_time_settings['mods']; $text = $days_from_time_settings['text'][$format]; $result = ''; foreach ($mods as $index => $mod) { if ($mod > 0 || $secs) { if ($time >= $mod) { if ($mod < 1) { $mod = 1; } $val = floor($time/$mod); $time %= $mod; } else { $val = 0; } if ($all || $val > 0) { $result .= padleft($pad, $val, 2) . $text['prefix'] . $text[$index] . $text['suffix']; $all = true; } } } return trim($result,$text['suffix']); } function padleft($pad = '', $value, $min = 2) { $result = "$value"; if (strlen($result) < $min && $pad != '') { $padded = $pad . $result; while ($padded != $result && strlen($result) < $min) { $padded = $pad . $result; } $result = $padded; } return $result; } function get_classic_tabimage($text, $down = false) { global $config; $images = array( false => 'tab_template_blue.gif', true => 'tab_template_red.gif' ); if ($text == '') return false; $text = strtolower($text); $possibles = array( array('DejaVuSans-Bold.ttf', 9, true), array('DejaVuSansCondensed-Bold.ttf', 9, false), array('DejaVuSans-Bold.ttf', 9, false), array('DejaVuSansCondensed-Bold.ttf', 9, false), array('DejaVuSans-Bold.ttf', 8, false), array('DejaVuSansCondensed-Bold.ttf', 8, false), array('DejaVuSans-Bold.ttf', 7, false), array('DejaVuSansCondensed-Bold.ttf', 7, true), ); $y = 30; $x = 44; $wlimit = 72; $wrapsize = 12; if (file_exists($config['base_path'] . '/images/' . $images[$down])) { $originalpath = getenv('GDFONTPATH'); putenv('GDFONTPATH=' . $config['base_path'] . '/include/fonts/'); $template = imagecreatefromgif($config['base_path'] . '/images/' . $images[$down]); $w = imagesx($template); $h = imagesy($template); $tab = imagecreatetruecolor($w, $h); imagecopy($tab, $template, 0, 0, 0, 0, $w, $h); $txcol = imagecolorat($tab, 0, 0); imagecolortransparent($tab,$txcol); $white = imagecolorallocate($tab, 255, 255, 255); $ttf_functions = function_exists('imagettftext') && function_exists('imagettfbbox'); if ($ttf_functions) { foreach ($possibles as $variation) { $font = $variation[0]; $fontsize = $variation[1]; $lines = array(); // if no wrapping is requested, or no wrapping is possible... if((!$variation[2]) || ($variation[2] && strpos($text,' ') === false)) { $bounds = imagettfbbox($fontsize, 0, $font, $text); $w = $bounds[4] - $bounds[0]; $h = $bounds[1] - $bounds[5]; $realx = $x - $w/2 -1; $lines[] = array($text, $font, $fontsize, $realx, $y); $maxw = $w; } else { $texts = explode("\n", wordwrap($text, $wrapsize), 2); $line = 1; $maxw = 0; foreach ($texts as $txt) { $bounds = imagettfbbox($fontsize, 0, $font, $txt); $w = $bounds[4] - $bounds[0]; $h = $bounds[1] - $bounds[5]; $realx = $x - $w/2 -1; $realy = $y - $h * $line + 3; $lines[] = array($txt, $font, $fontsize, $realx, $realy); if ($maxw < $w) { $maxw = $w; } $line--; } } if($maxw<$wlimit) break; } } else { while ($text > '') { for ($fontid = 5; $fontid>0; $fontid--) { $fontw = imagefontwidth($fontid); $fonth = imagefontheight($fontid); $realx = ($w - ($fontw * strlen($text)))/2; $realy = ($h - $fonth - 5); // Since we can't use FreeType, lets use a fixed location $lines = array(); $lines[] = array($text, $fontid, 0, $realx, $realy); if ($realx > 10 && $realy > 0) break; } if ($fontid == 0) { $spacer = strrpos($text,' '); if ($spacer === FALSE) { $spacer = strlen($text) - 1; } $text = substr($text,0,$spacer); // $lines[] = array(substr($text,0,$maxtext).'.'.$w.'.'.$maxtext.'.'.$fontw, $fontid, 0, $realx, $realy); } else { break; } } } foreach ($lines as $line) { if ($ttf_functions) { imagettftext($tab, $line[2], 0, $line[3], $line[4], $white, $line[1], $line[0]); }else{ imagestring($tab, $line[1], $line[3], $line[4], $line[0], $white); } } putenv('GDFONTPATH=' . $originalpath); imagetruecolortopalette($tab, true, 256); // generate the image an return the data directly ob_start(); imagegif($tab); $image = ob_get_contents(); ob_end_clean(); return("data:image/gif;base64," . base64_encode($image)); } else { return false; } } function cacti_oid_numeric_format() { if (function_exists('snmp_set_oid_output_format')) { snmp_set_oid_output_format(SNMP_OID_OUTPUT_NUMERIC); } elseif (function_exists("snmp_set_oid_numeric_print")) { snmp_set_oid_numeric_print(true); } } function IgnoreErrorHandler($message) { global $snmp_error; $snmp_ignore = array( 'No response from', 'noSuchName', 'No Such Object', 'Error in packet', 'This name does not exist', 'End of MIB', 'Timeout', 'Unknown host', 'Invalid object identifier', 'Name or service not known' ); foreach ($snmp_ignore as $i) { if (strpos($message, $i)) { $snmp_error = trim($message, "\\\n\t "); return true; } } $ignore = array( 'unable to read from socket' # ping.php line 387 socket refusal ); foreach ($ignore as $i) { if (strpos($message, $i)) { return true; } } return false; } function CactiErrorHandler($level, $message, $file, $line, $context) { global $phperrors; if (defined('IN_CACTI_INSTALL')) { return true; } if (IgnoreErrorHandler($message)) { return true; } if (error_reporting() == 0) { return true; } preg_match("/.*\/plugins\/([\w-]*)\/.*/", $file, $output_array); $plugin = (isset($output_array[1]) ? $output_array[1] : ''); $error = 'PHP ' . $phperrors[$level] . ($plugin != '' ? " in Plugin '$plugin'" : '') . ": $message in file: $file on line: $line"; switch ($level) { case E_COMPILE_ERROR: case E_CORE_ERROR: case E_ERROR: case E_PARSE: cacti_log($error, false, 'ERROR'); cacti_debug_backtrace('PHP ERROR PARSE', false, true, 0, 1); if ($plugin != '') { api_plugin_disable_all($plugin); cacti_log("ERRORS DETECTED - DISABLING PLUGIN '$plugin'"); admin_email(__('Cacti System Warning'), __('Cacti disabled plugin %s due to the following error: %s! See the Cacti logfile for more details.', $plugin, $error)); } break; case E_RECOVERABLE_ERROR: case E_USER_ERROR: cacti_log($error, false, 'ERROR'); cacti_debug_backtrace('PHP ERROR', false, true, 0, 1); break; case E_COMPILE_WARNING: case E_CORE_WARNING: case E_USER_WARNING: case E_WARNING: cacti_log($error, false, 'ERROR'); cacti_debug_backtrace('PHP ERROR WARNING', false, true, 0, 1); break; case E_NOTICE: case E_USER_NOTICE: cacti_log($error, false, 'ERROR'); cacti_debug_backtrace('PHP ERROR NOTICE', false, true, 0, 1); break; case E_STRICT: cacti_log($error, false, 'ERROR'); cacti_debug_backtrace('PHP ERROR STRICT', false, true, 0, 1); break; default: cacti_log($error, false, 'ERROR'); cacti_debug_backtrace('PHP ERROR', false, true, 0, 1); } return false; } function CactiShutdownHandler () { global $phperrors; $error = error_get_last(); if (IgnoreErrorHandler($error['message'])) { return true; } switch ($error['type']) { case E_ERROR: case E_CORE_ERROR: case E_COMPILE_ERROR: case E_CORE_WARNING: case E_COMPILE_WARNING: case E_PARSE: preg_match('/.*\/plugins\/([\w-]*)\/.*/', $error['file'], $output_array); $plugin = (isset($output_array[1]) ? $output_array[1] : '' ); $message = 'PHP ' . $phperrors[$error['type']] . ($plugin != '' ? " in Plugin '$plugin'" : '') . ': ' . $error['message'] . ' in file: ' . $error['file'] . ' on line: ' . $error['line']; cacti_log($message, false, 'ERROR'); cacti_debug_backtrace('PHP ERROR', false, true, 0, 1); if ($plugin != '') { api_plugin_disable_all($plugin); cacti_log("ERRORS DETECTED - DISABLING PLUGIN '$plugin'"); admin_email(__('Cacti System Warning'), __('Cacti disabled plugin %s due to the following error: %s! See the Cacti logfile for more details.', $plugin, $message)); } } } /** enable_device_debug - Enables device debug for a device * if it is disabled. * * @arg $host_id - the device id to search for * * @returns - void */ function enable_device_debug($host_id) { $device_debug = read_config_option('selective_device_debug', true); if ($device_debug != '') { $devices = explode(',', $device_debug); if (array_search($host_id, $devices) === false) { set_config_option('selective_device_debug', $device_debug . ',' . $host_id); } } else { set_config_option('selective_device_debug', $host_id); } } /** disable_device_debug - Disables device debug for a device * if it is enabled. * * @arg $host_id - the device id to search for * * @returns - void */ function disable_device_debug($host_id) { $device_debug = read_config_option('selective_device_debug', true); if ($device_debug != '') { $devices = explode(',', $device_debug); foreach($devices as $key => $device) { if ($device == $host_id) { unset($devices[$key]); break; } } set_config_option('selective_device_debug', implode(',', $devices)); } } /** is_device_debug_enabled - Determines if device debug is enabled * for a device. * * @arg $host_id - the device id to search for * * @returns - boolean true or false */ function is_device_debug_enabled($host_id) { $device_debug = read_config_option('selective_device_debug', true); if ($device_debug != '') { $devices = explode(',', $device_debug); if (array_search($host_id, $devices) !== false) { return true; } } return false; } /** get_url_type - Determines if remote communications are over * http or https for remote services. * * @returns - http or https */ function get_url_type() { if (read_config_option('force_https') == 'on') { return 'https'; } else { return 'http'; } } /** get_default_contextoption - Sets default context options for self-signed SSL * related protocols if necessary. Allows plugins to add additional header information * to fulfill system setup related requirements like the usage of Web Single Login * cookies for example. * * @returns - an array of stream context options or false */ function get_default_contextoption($timeout = '') { $fgc_contextoption = false; if ($timeout == '') { $timeout = read_config_option('remote_agent_timeout'); } if (!is_numeric($timeout)) { $timeout = 5; } $protocol = get_url_type(); if (in_array($protocol, array('ssl', 'https', 'ftps'))) { $fgc_contextoption = array( 'ssl' => array( 'verify_peer' => false, 'verify_peer_name' => false, 'allow_self_signed' => true, ) ); } if ($protocol == 'https') { $fgc_contextoption['https'] = array( 'timeout' => $timeout, 'ignore_errors' => true ); } elseif ($protocol == 'http') { $fgc_contextoption['http'] = array( 'timeout' => $timeout, 'ignore_errors' => true ); } $fgc_contextoption = api_plugin_hook_function('fgc_contextoption', $fgc_contextoption); return $fgc_contextoption; } /** repair_system_data_input_methods - This utility will repair * system data input methods when they are detected on the system * * @returns - null */ function repair_system_data_input_methods($step = 'import') { $system_hashes = array( '3eb92bb845b9660a7445cf9740726522', // Get SNMP Data 'bf566c869ac6443b0c75d1c32b5a350e', // Get SNMP Data (Indexed) '80e9e4c4191a5da189ae26d0e237f015', // Get Script Data (Indexed) '332111d8b54ac8ce939af87a7eac0c06', // Get Script Server Data (Indexed) ); $good_field_hashes = array( '3eb92bb845b9660a7445cf9740726522' => array( // Get SNMP Data (1) '92f5906c8dc0f964b41f4253df582c38', // IP Address '012ccb1d3687d3edb29c002ea66e72da', // SNMP Version '32285d5bf16e56c478f5e83f32cda9ef', // SNMP Community 'fc64b99742ec417cc424dbf8c7692d36', // SNMP Port 'ad14ac90641aed388139f6ba86a2e48b', // SNMP Username '9c55a74bd571b4f00a96fd4b793278c6', // SNMP Password '20832ce12f099c8e54140793a091af90', // SNMP Authentication Protocol 'c60c9aac1e1b3555ea0620b8bbfd82cb', // SNMP Privacy Passphrase 'feda162701240101bc74148415ef415a', // SNMP Privacy Protocol '4276a5ec6e3fe33995129041b1909762' // SNMP OID ), 'bf566c869ac6443b0c75d1c32b5a350e' => array( // Get SNMP Data (Indexed) (2) '617cdc8a230615e59f06f361ef6e7728', // IP Address 'b5c23f246559df38662c255f4aa21d6b', // SNMP Version 'acb449d1451e8a2a655c2c99d31142c7', // SNMP Community 'c1f36ee60c3dc98945556d57f26e475b', // SNMP Port 'f4facc5e2ca7ebee621f09bc6d9fc792', // SNMP Username '1cc1493a6781af2c478fa4de971531cf', // SNMP Password '2cf7129ad3ff819a7a7ac189bee48ce8', // SNMP Authentication Protocol '6b13ac0a0194e171d241d4b06f913158', // SNMP Privacy Passphrase '3a33d4fc65b8329ab2ac46a36da26b72', // SNMP Privacy Protocol '6027a919c7c7731fbe095b6f53ab127b', // Index Type 'cbbe5c1ddfb264a6e5d509ce1c78c95f', // Index Value 'e6deda7be0f391399c5130e7c4a48b28' // Output Type ID ), '80e9e4c4191a5da189ae26d0e237f015' => array( // Get Script Data (Indexed) 11 'd39556ecad6166701bfb0e28c5a11108', // Index Type '3b7caa46eb809fc238de6ef18b6e10d5', // Index Value '74af2e42dc12956c4817c2ef5d9983f9', // Output Type ID '8ae57f09f787656bf4ac541e8bd12537' // Output Value ), '332111d8b54ac8ce939af87a7eac0c06' => array( // Get Script Server Data (Indexed) 12 '172b4b0eacee4948c6479f587b62e512', // Index Type '30fb5d5bcf3d66bb5abe88596f357c26', // Index Value '31112c85ae4ff821d3b288336288818c', // Output Type ID '5be8fa85472d89c621790b43510b5043' // Output Value ) ); foreach($good_field_hashes as $hash => $field_hashes) { $data_input_id = db_fetch_cell_prepared('SELECT id FROM data_input WHERE hash = ?', array($hash)); if (!empty($data_input_id)) { $bad_hashes = db_fetch_assoc_prepared('SELECT * FROM data_input_fields WHERE hash NOT IN ("' . implode('","', $field_hashes) . '") AND hash != "" AND data_input_id = ?', array($data_input_id)); if (cacti_sizeof($bad_hashes)) { cacti_log(strtoupper($step) . ' NOTE: Repairing ' . cacti_sizeof($bad_hashes) . ' Damaged data_input_fields', false); foreach($bad_hashes as $bhash) { $good_field_id = db_fetch_cell_prepared('SELECT id FROM data_input_fields WHERE hash != ? AND data_input_id = ? AND data_name = ?', array($bhash['hash'], $data_input_id, $bhash['data_name'])); if (!empty($good_field_id)) { cacti_log("Data Input ID $data_input_id Bad Field ID is " . $bhash['id'] . ", Good Field ID: " . $good_field_id, false, 'WEBUI', POLLER_VERBOSITY_DEVDBG); cacti_log('Executing Data Input Data Check', false, 'WEBUI', POLLER_VERBOSITY_DEVDBG); // Data Input Data $bad_mappings = db_fetch_assoc_prepared('SELECT * FROM data_input_data WHERE data_input_field_id = ?', array($bhash['id'])); if (cacti_sizeof($bad_mappings)) { cacti_log(strtoupper($step) . ' NOTE: Found ' . cacti_sizeof($bad_mappings) . ' Damaged data_input_fields', false); foreach($bad_mappings as $mfid) { $good_found = db_fetch_cell_prepared('SELECT COUNT(*) FROM data_input_data WHERE data_input_field_id = ? AND data_template_data_id = ?', array($good_field_id, $mfid['data_template_data_id'])); if ($good_found > 0) { cacti_log('Good Found for ' . $mfid['data_input_field_id'] . ', Fixing', false, 'WEBUI', POLLER_VERBOSITY_DEVDBG); db_execute_prepared('DELETE FROM data_input_data WHERE data_input_field_id = ? AND data_template_data_id = ?', array($mfid['data_input_field_id'], $mfid['data_template_data_id'])); } else { cacti_log('Good NOT Found for ' . $mfid['data_input_field_id'] . ', Fixing', false, 'WEBUI', POLLER_VERBOSITY_DEVDBG); db_execute_prepared('UPDATE data_input_data SET data_input_field_id = ? WHERE data_input_field_id = ? AND data_template_data_id = ?', array($good_field_id, $mfid['data_input_field_id'], $mfid['data_template_data_id'])); } } } else { cacti_log('No Bad Data Input Data Records', false, 'WEBUI', POLLER_VERBOSITY_DEVDBG); } // Data Template RRD cacti_log('Executing Data Template RRD Check', false, 'WEBUI', POLLER_VERBOSITY_DEVDBG);; $bad_mappings = db_fetch_assoc_prepared('SELECT * FROM data_template_rrd WHERE data_input_field_id = ?', array($bhash['id'])); if (cacti_sizeof($bad_mappings)) { cacti_log(strtoupper($step) . ' NOTE: Found ' . cacti_sizeof($bad_mappings) . ' Damaged data_template_rrd', false); foreach($bad_mappings as $mfid) { $good_found = db_fetch_cell_prepared('SELECT COUNT(*) FROM data_template_rrd WHERE data_input_field_id = ? AND id = ?', array($good_field_id, $mfid['id'])); if ($good_found > 0) { cacti_log('Good Found for ' . $mfid['data_input_field_id'] . ', Fixing', false, 'WEBUI', POLLER_VERBOSITY_DEVDBG); db_execute_prepared('DELETE FROM data_template_rrd WHERE data_input_field_id = ? AND id = ?', array($mfid['data_input_field_id'], $mfid['id'])); } else { cacti_log('Good NOT Found for ' . $mfid['data_input_field_id'] . ', Fixing', false, 'WEBUI', POLLER_VERBOSITY_DEVDBG); db_execute_prepared('UPDATE data_template_rrd SET data_input_field_id = ? WHERE data_input_field_id = ? AND id = ?', array($good_field_id, $mfid['data_input_field_id'], $mfid['id'])); } } } else { cacti_log('No Bad Data Template RRD Records', false, 'WEBUI', POLLER_VERBOSITY_DEVDBG); } db_execute_prepared('DELETE FROM data_input_fields WHERE hash = ?', array($bhash['hash'])); } else { cacti_log('WARNING: Could not find Cacti default matching hash for unknown system hash "' . $bhash['hash'] . '" for ' . $data_input_id . '. No repair performed.'); } } } } else { cacti_log("Could not find hash '" . $hash . "' for Data Input", false, 'WEBUI', POLLER_VERBOSITY_DEVDBG); } } } if (isset($config['cacti_server_os']) && $config['cacti_server_os'] == 'win32' && !function_exists('posix_kill')) { function posix_kill($pid, $signal = SIGTERM) { $wmi = new COM("winmgmts:{impersonationLevel=impersonate}!\\\\.\\root\\cimv2"); $procs = $wmi->ExecQuery("SELECT ProcessId FROM Win32_Process WHERE ProcessId='" . $pid . "'"); if (cacti_sizeof($procs)) { if ($signal == SIGTERM) { foreach($procs as $proc) { $proc->Terminate(); } } else { return true; } } else { return false; } } } function is_ipaddress($ip_address = '') { /* check for ipv4/v6 */ if (function_exists('filter_var')) { if (filter_var($ip_address, FILTER_VALIDATE_IP) !== false) { return true; } else { return false; } } elseif (inet_pton($ip_address) !== false) { return true; } else { return false; } } /** date_time_format create a format string for date/time * @return string returns date time format */ function date_time_format() { $datechar = array( GDC_HYPHEN => '-', GDC_SLASH => '/', GDC_DOT => '.' ); /* setup date format */ $date_fmt = read_config_option('default_date_format'); $dateCharSetting = read_config_option('default_datechar'); if (!isset($datechar[$dateCharSetting])) { $dateCharSetting = GDC_SLASH; } $datecharacter = $datechar[$dateCharSetting]; switch ($date_fmt) { case GD_MO_D_Y: return 'm' . $datecharacter . 'd' . $datecharacter . 'Y H:i:s'; case GD_MN_D_Y: return 'M' . $datecharacter . 'd' . $datecharacter . 'Y H:i:s'; case GD_D_MO_Y: return 'd' . $datecharacter . 'm' . $datecharacter . 'Y H:i:s'; case GD_D_MN_Y: return 'd' . $datecharacter . 'M' . $datecharacter . 'Y H:i:s'; case GD_Y_MO_D: return 'Y' . $datecharacter . 'm' . $datecharacter . 'd H:i:s'; case GD_Y_MN_D: return 'Y' . $datecharacter . 'M' . $datecharacter . 'd H:i:s'; default: return 'Y' . $datecharacter . 'm' . $datecharacter . 'd H:i:s'; } } /** * get_cacti_version Generic function to get the cacti version */ function get_cacti_version() { static $version = ''; if ($version == '') { $version = trim(db_fetch_cell('SELECT cacti FROM version LIMIT 1')); } return $version; } /** * get_cacti_version_text Return the cacti version text including beta moniker */ function get_cacti_version_text($include_version = true) { if ($include_version) { return trim(__('Version %s %s', CACTI_VERSION, (defined('CACTI_VERSION_BETA') ? __('- Beta %s', CACTI_VERSION_BETA):''))); } else { return trim(__('%s %s', CACTI_VERSION, (defined('CACTI_VERSION_BETA') ? __('- Beta %s', CACTI_VERSION_BETA):''))); } } /** * get_cacti_cli_version() { */ function get_cacti_cli_version() { $dbversion = get_cacti_version(); $version = get_cacti_version_text(false); return $version . ' (DB: ' . $dbversion . ')'; } /** * cacti_version_compare - Compare Cacti version numbers */ function cacti_version_compare($version1, $version2, $operator = '>') { $length = max(cacti_sizeof(explode('.', $version1)), cacti_sizeof(explode('.', $version2))); $version1 = version_to_decimal($version1, $length); $version2 = version_to_decimal($version2, $length); switch ($operator) { case '<': if ($version1 < $version2) { return true; } break; case '<=': if ($version1 <= $version2) { return true; } break; case '>=': if ($version1 >= $version2) { return true; } break; case '>': if ($version1 > $version2) { return true; } break; case '==': if ($version1 == $version2) { return true; } break; default: return version_compare($version1, $version2, $operator); } return false; } /** * version_to_decimal - convert version string to decimal */ function version_to_decimal($version, $length = 1) { $newver = ''; $minor = ''; $parts = explode('.', $version); foreach($parts as $part) { if (is_numeric($part)) { $part = substr('00' . $part, -2); $newver .= $part; } else { $minor = substr($part, -1); $major = substr($part, 0, strlen($part)-1); $major = substr('00' . $major, -2); $newver .= $major; } } if (cacti_sizeof($parts) < $length) { $i = cacti_sizeof($parts); while($i < $length) { $newver .= '00'; $i++; } } if ($minor != '') { $int = ord($minor); } else { $int = 0; } return hexdec($newver) * 1000 + $int; } /** * cacti_gethostinfo - obtains the dns information for a host */ function cacti_gethostinfo($hostname, $type = DNS_ALL) { return dns_get_record($hostname, $type); } /** * cacti_gethostbyname - a ip/ipv6 replacement for php's gethostbyname function */ function cacti_gethostbyname($hostname, $type = '') { if ($type == '') { $type = DNS_A + DNS_AAAA; } if ($type != DNS_AAAA) { $host = gethostbyname($hostname); if ($host !== $hostname) { return $host; } } $return = cacti_gethostinfo($hostname, $type); if (cacti_sizeof($return)) { foreach($return as $record) { switch($record['type']) { case 'A': return $record['ip']; break; case 'AAAA': return $record['ipv6']; break; } } } return $hostname; } function get_nonsystem_data_input($data_input_id) { global $hash_system_data_inputs; $diid = db_fetch_cell_prepared('SELECT id FROM data_input WHERE hash NOT IN ("' . implode('","', $hash_system_data_inputs) . '") AND id = ?', array($data_input_id)); return $diid; } function get_rrdtool_version() { return str_replace('rrd-', '', str_replace('.x', '.0', read_config_option('rrdtool_version', true))); } function get_installed_rrdtool_version() { global $config; if ($config['cacti_server_os'] == 'win32') { $shell = shell_exec(cacti_escapeshellcmd(read_config_option('path_rrdtool')) . ' -v'); } else { $shell = shell_exec(cacti_escapeshellcmd(read_config_option('path_rrdtool')) . ' -v 2>&1'); } $version = false; if (preg_match('/^RRDtool ([0-9.]+) /', $shell, $matches)) { global $rrdtool_versions; foreach ($rrdtool_versions as $rrdtool_version => $rrdtool_version_text) { if (cacti_version_compare($rrdtool_version, $matches[1], '<=')) { $version = $rrdtool_version; } } } return $version; } function get_md5_hash($path) { $md5 = 0; if (db_table_exists('poller_resource_cache')) { $md5 = db_fetch_cell_prepared('SELECT md5sum FROM poller_resource_cache WHERE `path` = ?', array($path)); } if (empty($md5)) { if (file_exists($path)) { $md5 = md5_file($path); } else { $md5 = md5_file(dirname(__FILE__) . '/../' . $path); } } return $md5; } function get_md5_include_js($path) { global $config; if (file_exists($path)) { $npath = str_replace($config['base_path'] . '/', '', $path); } else { $npath = $path; } return '' . PHP_EOL; } function get_md5_include_css($path) { global $config; return '' . PHP_EOL; } function is_resource_writable($path) { if (empty($path)) { return false; } if ($path{strlen($path)-1}=='/') { return is_resource_writable($path.uniqid(mt_rand()).'.tmp'); } if (file_exists($path)) { if (($f = @fopen($path, 'a'))) { fclose($f); return true; } return false; } if (($f = @fopen($path, 'w'))) { fclose($f); unlink($path); return true; } return false; } function get_validated_theme($theme, $defaultTheme) { global $config; if (isset($theme) && strlen($theme)) { $themePath = $config['base_path'] . '/include/themes/' . $theme . '/main.css'; if (file_exists($themePath)) { return $theme; } } return $defaultTheme; } function get_validated_language($language, $defaultLanguage) { if (isset($language) && strlen($language)) { return $language; } return $defaultLanguage; } function get_running_user() { global $config; // Easy way first $user = get_current_user(); if ($user != '') { return $user; } $user = getenv('USERNAME') ?: getenv('USER'); if ($user != '') { return $user; } // Falback method if ($config['cacti_server_os'] == 'win32') { return getenv('username'); } else { $tmp_user = ''; $tmp_file = tempnam(sys_get_temp_dir(), 'uid'); $f_owner = ''; if (is_resource_writable($tmp_file)) { if (file_exists($tmp_file)) { unlink($tmp_file); } file_put_contents($tmp_file, 'cacti'); $f_owner = fileowner($tmp_file); $f_source = 'file'; if (file_exists($tmp_file)) { unlink($tmp_file); } } if (empty($f_owner) && function_exists('posix_getuid')) { $f_owner = posix_getuid(); $f_source = 'posix'; } if (!empty($f_owner) && function_exists('posix_getpwuid1')) { $f_array = posix_getpwuid($f_owner); if (isset($f_array['name'])) { $tmp_user = $f_array['name']; } } if (empty($tmp_user)) { exec('id -nu', $o, $r); if ($r == 0) { $tmp_user = trim($o['0']); } } /*** Code left here for future development, don't think it is right *** * if (empty($tmp_user) && !empty($f_owner) && is_readable('/etc/passwd')) { exec(sprintf('grep :%s: /etc/passwd | cut -d: -f1', (int) $uid), $o, $r); if ($r == 0) { $tmp_user = 'passwd-' . trim($o['0']); } } */ return (empty($tmp_user) ? 'apache' : $tmp_user); } } function get_debug_prefix() { $dateTime = new DateTime('NOW'); $dateTime = $dateTime->format('Y-m-d H:i:s.u'); return sprintf('<[ %s | %7d ]> -- ', $dateTime, getmypid()); } function get_client_addr($client_addr = false) { if (isset($_SERVER['X-Forwarded-For'])) { $client_addr = $_SERVER['X-Forwarded-For']; } elseif (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $client_addr = $_SERVER['HTTP_X_FORWARDED_FOR']; } elseif (isset($_SERVER['HTTP_FORWARDED_FOR'])) { $client_addr = $_SERVER['HTTP_FORWARDED_FOR']; } elseif (isset($_SERVER['HTTP_FORWARDED'])) { $client_addr = $_SERVER['HTTP_FORWARDED']; } elseif (isset($_SERVER['REMOTE_ADDR'])) { $client_addr = $_SERVER['REMOTE_ADDR']; } elseif (isset($_SERVER['HTTP_CLIENT_IP'])) { $client_addr = $_SERVER['HTTP_CLIENT_IP']; } return $client_addr; } function cacti_pton($ipaddr) { // Strip out the netmask, if there is one. $subnet_pos = strpos($ipaddr, '/'); if ($subnet_pos) { $subnet = substr($ipaddr, $subnet_pos+1); $ipaddr = substr($ipaddr, 0, $subnet_pos); } else { $subnet = null; // No netmask present } // Convert address to packed format $addr = @inet_pton($ipaddr); if ($addr === false) { return false; } // Maximum netmask length = same as packed address $len = 8*strlen($addr); if (!empty($subnet)) { if (!is_numeric($subnet)) { return false; } elseif ($subnet > $len) { return false; } } if (!is_numeric($subnet)){ $subnet=$len; } else { $subnet=(int)$subnet; } // Create a hex expression of the subnet mask $mask=str_repeat('f',$subnet>>2); switch($subnet&3) { case 3: $mask.='e'; break; case 2: $mask.='c'; break; case 1: $mask.='8'; break; } $mask=str_pad($mask,$len>>2,'0'); // Packed representation of netmask $mask=pack('H*',$mask); $result = array('ip' => $addr, 'subnet' => $mask); return $result; } function cacti_ntop($addr) { if (empty($addr)) { return false; } if (is_array($addr)) { foreach ($addr as $ip) { $addr = $ip; break; } } return @inet_ntop($addr); } function cacti_ntoc($subnet, $ipv6 = false) { $result = false; $count = 0; foreach(str_split($subnet) as $char) { $i = ord($char); while (($i & 128) == 128) { $count++; $i = ($i << 1) % 256; } } return $count; } function cacti_ptoa($title, $addr) { // Let's display it as hexadecimal format foreach(str_split($addr) as $char) { print str_pad(dechex(ord($char)),2,'0',STR_PAD_LEFT); } } function cacti_sizeof($array) { return ($array === false || !is_array($array)) ? 0 : sizeof($array); } function cacti_count($array) { return ($array === false || !is_array($array)) ? 0 : count($array); } function is_function_enabled($name) { return function_exists($name) && !in_array($name, array_map('trim', explode(', ', ini_get('disable_functions')))) && strtolower(ini_get('safe_mode')) != 1; } function is_page_ajax() { if (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest' ) { return true; } return false; } function raise_ajax_permission_denied() { if (is_page_ajax()) { header('HTTP/1.1 401 ' . __('Permission Denied')); print __('You are not permitted to access this section of Cacti.') . ' ' . __('If you feel that this is an error. Please contact your Cacti Administrator.'); exit; } }