* @copyright (C) 2006 - 2012 Adam Armstrong (as Observium)
* @copyright (C) 2013 LibreNMS Group
*
*/
function data_uri($file, $mime)
{
$contents = file_get_contents($file);
$base64 = base64_encode($contents);
return ('data:' . $mime . ';base64,' . $base64);
}
function nicecase($item)
{
switch ($item)
{
case "dbm":
return "dBm";
case "mysql":
return" MySQL";
case "powerdns":
return "PowerDNS";
case "bind":
return "BIND";
default:
return ucfirst($item);
}
}
function toner2colour($descr, $percent)
{
$colour = get_percentage_colours(100-$percent);
if (substr($descr,-1) == 'C' || stripos($descr,"cyan" ) !== false) { $colour['left'] = "55D6D3"; $colour['right'] = "33B4B1"; }
if (substr($descr,-1) == 'M' || stripos($descr,"magenta") !== false) { $colour['left'] = "F24AC8"; $colour['right'] = "D028A6"; }
if (substr($descr,-1) == 'Y' || stripos($descr,"yellow" ) !== false
|| stripos($descr,"giallo" ) !== false
|| stripos($descr,"gul" ) !== false) { $colour['left'] = "FFF200"; $colour['right'] = "DDD000"; }
if (substr($descr,-1) == 'K' || stripos($descr,"black" ) !== false
|| stripos($descr,"nero" ) !== false) { $colour['left'] = "000000"; $colour['right'] = "222222"; }
return $colour;
}
function generate_link($text, $vars, $new_vars = array())
{
return ''.$text.'';
}
function generate_url($vars, $new_vars = array())
{
$vars = array_merge($vars, $new_vars);
$url = $vars['page']."/";
unset($vars['page']);
foreach ($vars as $var => $value)
{
if ($value == "0" || $value != "" && strstr($var, "opt") === FALSE && is_numeric($var) === FALSE)
{
$url .= $var ."=".$value."/";
}
}
return($url);
}
function escape_quotes($text)
{
return str_replace('"', "\'", str_replace("'", "\'", $text));
}
function generate_overlib_content($graph_array, $text)
{
global $config;
$overlib_content = ''.$text.'
';
foreach (array('day','week','month','year') as $period)
{
$graph_array['from'] = $config['time'][$period];
$overlib_content .= escape_quotes(generate_graph_tag($graph_array));
}
$overlib_content .= '
';
return $overlib_content;
}
function get_percentage_colours($percentage)
{
$background = array();
if ($percentage > '90') { $background['left']='c4323f'; $background['right']='C96A73'; }
elseif ($percentage > '75') { $background['left']='bf5d5b'; $background['right']='d39392'; }
elseif ($percentage > '50') { $background['left']='bf875b'; $background['right']='d3ae92'; }
elseif ($percentage > '25') { $background['left']='5b93bf'; $background['right']='92b7d3'; }
else { $background['left']='9abf5b'; $background['right']='bbd392'; }
return($background);
}
function generate_minigraph_image($device, $start, $end, $type, $legend = 'no', $width = 275, $height = 100, $sep = '&', $class = "minigraph-image")
{
return '
';
}
function generate_device_url($device, $vars=array())
{
return generate_url(array('page' => 'device', 'device' => $device['device_id']), $vars);
}
function generate_device_link($device, $text=NULL, $vars=array(), $start=0, $end=0, $escape_text=1, $overlib=1)
{
global $config;
if (!$start) { $start = $config['time']['day']; }
if (!$end) { $end = $config['time']['now']; }
$class = devclass($device);
if (!$text) { $text = $device['hostname']; }
if (isset($config['os'][$device['os']]['over']))
{
$graphs = $config['os'][$device['os']]['over'];
}
elseif (isset($device['os_group']) && isset($config['os'][$device['os_group']]['over']))
{
$graphs = $config['os'][$device['os_group']]['over'];
}
else
{
$graphs = $config['os']['default']['over'];
}
$url = generate_device_url($device, $vars);
// beginning of overlib box contains large hostname followed by hardware & OS details
$contents = "".$device['hostname']."";
if ($device['hardware']) { $contents .= " - ".$device['hardware']; }
if ($device['os']) { $contents .= " - ".mres($config['os'][$device['os']]['text']); }
if ($device['version']) { $contents .= " ".mres($device['version']); }
if ($device['features']) { $contents .= " (".mres($device['features']).")"; }
if (isset($device['location'])) { $contents .= " - " . htmlentities($device['location']); }
$contents .= "
";
foreach ($graphs as $entry)
{
$graph = $entry['graph'];
$graphhead = $entry['text'];
$contents .= '';
$contents .= ''.$graphhead.'
';
$contents .= generate_minigraph_image($device, $start, $end, $graph);
$contents .= generate_minigraph_image($device, $config['time']['week'], $end, $graph);
$contents .= '
';
}
if ($escape_text) { $text = htmlentities($text); }
if ($overlib == 0) {
$link = $contents;
} else {
$link = overlib_link($url, $text, escape_quotes($contents), $class);
}
if (device_permitted($device['device_id']))
{
return $link;
} else {
return $device['hostname'];
}
}
function overlib_link($url, $text, $contents, $class)
{
global $config;
$contents = str_replace("\"", "\'", $contents);
$output = '";
$output .= $text."";
return $output;
}
function generate_graph_popup($graph_array)
{
global $config;
// Take $graph_array and print day,week,month,year graps in overlib, hovered over graph
$original_from = $graph_array['from'];
$graph = generate_graph_tag($graph_array);
$content = "".$graph_array['popup_title']."
";
$content .= "";
$graph_array['legend'] = "yes";
$graph_array['height'] = "100";
$graph_array['width'] = "340";
$graph_array['from'] = $config['time']['day'];
$content .= generate_graph_tag($graph_array);
$graph_array['from'] = $config['time']['week'];
$content .= generate_graph_tag($graph_array);
$graph_array['from'] = $config['time']['month'];
$content .= generate_graph_tag($graph_array);
$graph_array['from'] = $config['time']['year'];
$content .= generate_graph_tag($graph_array);
$content .= "
";
$graph_array['from'] = $original_from;
$graph_array['link'] = generate_url($graph_array, array('page' => 'graphs', 'height' => NULL, 'width' => NULL, 'bg' => NULL));
# $graph_array['link'] = "graphs/type=" . $graph_array['type'] . "/id=" . $graph_array['id'];
return overlib_link($graph_array['link'], $graph, $content, NULL);
}
function print_graph_popup($graph_array)
{
echo(generate_graph_popup($graph_array));
}
function permissions_cache($user_id)
{
$permissions = array();
foreach (dbFetchRows("SELECT * FROM devices_perms WHERE user_id = '".$user_id."'") as $device)
{
$permissions['device'][$device['device_id']] = 1;
}
foreach (dbFetchRows("SELECT * FROM ports_perms WHERE user_id = '".$user_id."'") as $port)
{
$permissions['port'][$port['port_id']] = 1;
}
foreach (dbFetchRows("SELECT * FROM bill_perms WHERE user_id = '".$user_id."'") as $bill)
{
$permissions['bill'][$bill['bill_id']] = 1;
}
return $permissions;
}
function bill_permitted($bill_id)
{
global $permissions;
if ($_SESSION['userlevel'] >= "5") {
$allowed = TRUE;
} elseif ($permissions['bill'][$bill_id]) {
$allowed = TRUE;
} else {
$allowed = FALSE;
}
return $allowed;
}
function port_permitted($port_id, $device_id = NULL)
{
global $permissions;
if (!is_numeric($device_id)) { $device_id = get_device_id_by_port_id($port_id); }
if ($_SESSION['userlevel'] >= "5")
{
$allowed = TRUE;
} elseif (device_permitted($device_id)) {
$allowed = TRUE;
} elseif ($permissions['port'][$port_id]) {
$allowed = TRUE;
} else {
$allowed = FALSE;
}
return $allowed;
}
function application_permitted($app_id, $device_id = NULL)
{
global $permissions;
if (is_numeric($app_id))
{
if (!$device_id) { $device_id = get_device_id_by_app_id ($app_id); }
if ($_SESSION['userlevel'] >= "5") {
$allowed = TRUE;
} elseif (device_permitted($device_id)) {
$allowed = TRUE;
} elseif ($permissions['application'][$app_id]) {
$allowed = TRUE;
} else {
$allowed = FALSE;
}
} else {
$allowed = FALSE;
}
return $allowed;
}
function device_permitted($device_id)
{
global $permissions;
if ($_SESSION['userlevel'] >= "5")
{
$allowed = true;
} elseif ($permissions['device'][$device_id]) {
$allowed = true;
} else {
$allowed = false;
}
return $allowed;
}
function print_graph_tag($args)
{
echo(generate_graph_tag($args));
}
function generate_graph_tag($args)
{
$urlargs = array();
foreach ($args as $key => $arg)
{
$urlargs[] = $key."=".$arg;
}
return '.')
';
}
function generate_graph_js_state($args) {
// we are going to assume we know roughly what the graph url looks like here.
// TODO: Add sensible defaults
$from = (is_numeric($args['from']) ? $args['from'] : 0);
$to = (is_numeric($args['to']) ? $args['to'] : 0);
$width = (is_numeric($args['width']) ? $args['width'] : 0);
$height = (is_numeric($args['height']) ? $args['height'] : 0);
$legend = str_replace("'", "", $args['legend']);
$state = <<
document.graphFrom = $from;
document.graphTo = $to;
document.graphWidth = $width;
document.graphHeight = $height;
document.graphLegend = '$legend';
STATE;
return $state;
}
function print_percentage_bar($width, $height, $percent, $left_text, $left_colour, $left_background, $right_text, $right_colour, $right_background)
{
if ($percent > "100") { $size_percent = "100"; } else { $size_percent = $percent; }
$output = '
'.$left_text.'
'.$right_text.'
';
return $output;
}
function generate_entity_link($type, $entity, $text = NULL, $graph_type=NULL)
{
global $config, $entity_cache;
if (is_numeric($entity))
{
$entity = get_entity_by_id_cache($type, $entity);
}
switch($type)
{
case "port":
$link = generate_port_link($entity, $text, $graph_type);
break;
case "storage":
if (empty($text)) { $text = $entity['storage_descr']; }
$link = generate_link($text, array('page' => 'device', 'device' => $entity['device_id'], 'tab' => 'health', 'metric' => 'storage'));
break;
default:
$link = $entity[$type.'_id'];
}
return($link);
}
function generate_port_link($port, $text = NULL, $type = NULL, $overlib = 1, $single_graph = 0)
{
global $config;
$graph_array = array();
$port = ifNameDescr($port);
if (!$text) { $text = fixIfName($port['label']); }
if ($type) { $port['graph_type'] = $type; }
if (!isset($port['graph_type'])) { $port['graph_type'] = 'port_bits'; }
$class = ifclass($port['ifOperStatus'], $port['ifAdminStatus']);
if (!isset($port['hostname'])) { $port = array_merge($port, device_by_id_cache($port['device_id'])); }
$content = "".$port['hostname']." - " . fixifName($port['label']) . "
";
if ($port['ifAlias']) { $content .= $port['ifAlias']."
"; }
$content .= "";
$graph_array['type'] = $port['graph_type'];
$graph_array['legend'] = "yes";
$graph_array['height'] = "100";
$graph_array['width'] = "340";
$graph_array['to'] = $config['time']['now'];
$graph_array['from'] = $config['time']['day'];
$graph_array['id'] = $port['port_id'];
$content .= generate_graph_tag($graph_array);
if ($single_graph == 0) {
$graph_array['from'] = $config['time']['week'];
$content .= generate_graph_tag($graph_array);
$graph_array['from'] = $config['time']['month'];
$content .= generate_graph_tag($graph_array);
$graph_array['from'] = $config['time']['year'];
$content .= generate_graph_tag($graph_array);
}
$content .= "
";
$url = generate_port_url($port);
if ($overlib == 0) {
return $content;
} elseif (port_permitted($port['port_id'], $port['device_id'])) {
return overlib_link($url, $text, $content, $class);
} else {
return fixifName($text);
}
}
function generate_port_url($port, $vars=array())
{
return generate_url(array('page' => 'device', 'device' => $port['device_id'], 'tab' => 'port', 'port' => $port['port_id']), $vars);
}
function generate_peer_url($peer, $vars=array())
{
return generate_url(array('page' => 'device', 'device' => $peer['device_id'], 'tab' => 'routing', 'proto' => 'bgp'), $vars);
}
function generate_port_image($args)
{
if (!$args['bg']) { $args['bg'] = "FFFFFF"; }
return "![](graph.php?type=".$args[)
";
}
function generate_port_thumbnail($port)
{
global $config;
$port['graph_type'] = 'port_bits';
$port['from'] = $config['time']['day'];
$port['to'] = $config['time']['now'];
$port['width'] = 150;
$port['height'] = 21;
return generate_port_image($port);
}
function print_port_thumbnail($args)
{
echo(generate_port_link($args, generate_port_image($args)));
}
function print_optionbar_start ($height = 0, $width = 0, $marginbottom = 5)
{
echo('
');
}
function print_optionbar_end()
{
echo('
');
}
function geteventicon($message)
{
if ($message == "Device status changed to Down") { $icon = "server_connect.png"; }
if ($message == "Device status changed to Up") { $icon = "server_go.png"; }
if ($message == "Interface went down" || $message == "Interface changed state to Down") { $icon = "if-disconnect.png"; }
if ($message == "Interface went up" || $message == "Interface changed state to Up") { $icon = "if-connect.png"; }
if ($message == "Interface disabled") { $icon = "if-disable.png"; }
if ($message == "Interface enabled") { $icon = "if-enable.png"; }
if (isset($icon)) { return $icon; } else { return false; }
}
function overlibprint($text)
{
return "onmouseover=\"return overlib('" . $text . "');\" onmouseout=\"return nd();\"";
}
function humanmedia($media)
{
array_preg_replace($rewrite_iftype, $media);
return $media;
}
function humanspeed($speed)
{
$speed = formatRates($speed);
if ($speed == "") { $speed = "-"; }
return $speed;
}
function devclass($device)
{
if (isset($device['status']) && $device['status'] == '0') { $class = "list-device-down"; } else { $class = "list-device"; }
if (isset($device['ignore']) && $device['ignore'] == '1')
{
$class = "list-device-ignored";
if (isset($device['status']) && $device['status'] == '1') { $class = "list-device-ignored-up"; }
}
if (isset($device['disabled']) && $device['disabled'] == '1') { $class = "list-device-disabled"; }
return $class;
}
function getlocations()
{
$ignore_dev_location = array();
$locations = array();
# Fetch override locations, not through get_dev_attrib, this would be a huge number of queries
$rows = dbFetchRows("SELECT attrib_type,attrib_value,device_id FROM devices_attribs WHERE attrib_type LIKE 'override_sysLocation%' ORDER BY attrib_type");
foreach ($rows as $row)
{
if ($row['attrib_type'] == 'override_sysLocation_bool' && $row['attrib_value'] == 1)
{
$ignore_dev_location[$row['device_id']] = 1;
}
# We can do this because of the ORDER BY, "bool" will be handled before "string"
elseif ($row['attrib_type'] == 'override_sysLocation_string' && (isset($ignore_dev_location[$row['device_id']]) && $ignore_dev_location[$row['device_id']] == 1))
{
if (!in_array($row['attrib_value'],$locations)) { $locations[] = $row['attrib_value']; }
}
}
# Fetch regular locations
if ($_SESSION['userlevel'] >= '5')
{
$rows = dbFetchRows("SELECT D.device_id,location FROM devices AS D GROUP BY location ORDER BY location");
} else {
$rows = dbFetchRows("SELECT D.device_id,location FROM devices AS D, devices_perms AS P WHERE D.device_id = P.device_id AND P.user_id = ? GROUP BY location ORDER BY location", array($_SESSION['user_id']));
}
foreach ($rows as $row)
{
# Only add it as a location if it wasn't overridden (and not already there)
if ($row['location'] != '' && !isset($ignore_dev_location[$row['device_id']]))
{
if (!in_array($row['location'],$locations)) { $locations[] = $row['location']; }
}
}
sort($locations);
return $locations;
}
function foldersize($path)
{
$total_size = 0;
$files = scandir($path);
$total_files = 0;
foreach ($files as $t)
{
if (is_dir(rtrim($path, '/') . '/' . $t))
{
if ($t<>"." && $t<>"..")
{
$size = foldersize(rtrim($path, '/') . '/' . $t);
$total_size += $size;
}
} else {
$size = filesize(rtrim($path, '/') . '/' . $t);
$total_size += $size;
$total_files++;
}
}
return array($total_size, $total_files);
}
function generate_ap_link($args, $text = NULL, $type = NULL)
{
global $config;
$args = ifNameDescr($args);
if (!$text) { $text = fixIfName($args['label']); }
if ($type) { $args['graph_type'] = $type; }
if (!isset($args['graph_type'])) { $args['graph_type'] = 'port_bits'; }
if (!isset($args['hostname'])) { $args = array_merge($args, device_by_id_cache($args['device_id'])); }
$content = "".$args['text']." - " . fixifName($args['label']) . "
";
if ($args['ifAlias']) { $content .= $args['ifAlias']."
"; }
$content .= "";
$graph_array = array();
$graph_array['type'] = $args['graph_type'];
$graph_array['legend'] = "yes";
$graph_array['height'] = "100";
$graph_array['width'] = "340";
$graph_array['to'] = $config['time']['now'];
$graph_array['from'] = $config['time']['day'];
$graph_array['id'] = $args['accesspoint_id'];
$content .= generate_graph_tag($graph_array);
$graph_array['from'] = $config['time']['week'];
$content .= generate_graph_tag($graph_array);
$graph_array['from'] = $config['time']['month'];
$content .= generate_graph_tag($graph_array);
$graph_array['from'] = $config['time']['year'];
$content .= generate_graph_tag($graph_array);
$content .= "
";
$url = generate_ap_url($args);
if (port_permitted($args['interface_id'], $args['device_id'])) {
return overlib_link($url, $text, $content, $class);
} else {
return fixifName($text);
}
}
function generate_ap_url($ap, $vars=array())
{
return generate_url(array('page' => 'device', 'device' => $ap['device_id'], 'tab' => 'accesspoint', 'ap' => $ap['accesspoint_id']), $vars);
}
function report_this($message)
{
global $config;
return ''.$message.' Please report this to the '.$config['project_name'].' developers.
';
}
function report_this_text($message)
{
global $config;
return $message.'\nPlease report this to the '.$config['project_name'].' developers at '.$config['project_issues'].'\n';
}
# Find all the files in the given directory that match the pattern
function get_matching_files($dir, $match = "/\.php$/")
{
global $config;
$list = array();
if ($handle = opendir($dir))
{
while (false !== ($file = readdir($handle)))
{
if ($file != "." && $file != ".." && preg_match($match, $file) === 1)
{
$list[] = $file;
}
}
closedir($handle);
}
return $list;
}
# Include all the files in the given directory that match the pattern
function include_matching_files($dir, $match = "/\.php$/")
{
foreach (get_matching_files($dir, $match) as $file) {
include_once($file);
}
}
function generate_pagination($count,$limit,$page,$links = 2) {
$end_page = ceil($count / $limit);
$start = (($page - $links) > 0) ? $page - $links : 1;
$end = (($page + $links) < $end_page) ? $page + $links : $end_page;
$return = '';
return($return);
}
function is_admin() {
if ($_SESSION['userlevel'] >= '10') {
$allowed = true;
} else {
$allowed = false;
}
return $allowed;
}
function demo_account() {
print_error("You are logged in as a demo account, this page isn't accessible to you");
}
function get_client_ip() {
if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$client_ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} else {
$client_ip = $_SERVER['REMOTE_ADDR'];
}
return $client_ip;
}
function shorten_interface_type($string) {
return str_ireplace(
array('FastEthernet','GigbitEthernet','TenGigabitEthernet','Port-Channel','Ethernet'),
array('Fa','Gi','Te','Po','Eth'),
$string
);
}
function clean_bootgrid($string) {
$output = str_replace(array("\r","\n"), "", $string);
$output = addslashes($output);
return $output;
}
?>