mirror of
https://github.com/librenms/librenms.git
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722 lines
22 KiB
PHP
722 lines
22 KiB
PHP
<?php
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/**
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* LibreNMS
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*
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* This file is part of LibreNMS
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*
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* @package librenms
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* @subpackage functions
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* @author LibreNMS Contributors <librenms-project@google.groups.com>
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* @copyright (C) 2006 - 2012 Adam Armstrong (as Observium)
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* @copyright (C) 2013 LibreNMS Group
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*
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*/
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include("../includes/alerts.inc.php");
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function data_uri($file, $mime)
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{
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$contents = file_get_contents($file);
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$base64 = base64_encode($contents);
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return ('data:' . $mime . ';base64,' . $base64);
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}
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function nicecase($item)
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{
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switch ($item)
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{
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case "dbm":
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return "dBm";
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case "mysql":
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return" MySQL";
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case "powerdns":
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return "PowerDNS";
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case "bind":
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return "BIND";
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default:
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return ucfirst($item);
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}
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}
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function toner2colour($descr, $percent)
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{
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$colour = get_percentage_colours(100-$percent);
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if (substr($descr,-1) == 'C' || stripos($descr,"cyan" ) !== false) { $colour['left'] = "55D6D3"; $colour['right'] = "33B4B1"; }
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if (substr($descr,-1) == 'M' || stripos($descr,"magenta") !== false) { $colour['left'] = "F24AC8"; $colour['right'] = "D028A6"; }
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if (substr($descr,-1) == 'Y' || stripos($descr,"yellow" ) !== false
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|| stripos($descr,"giallo" ) !== false
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|| stripos($descr,"gul" ) !== false) { $colour['left'] = "FFF200"; $colour['right'] = "DDD000"; }
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if (substr($descr,-1) == 'K' || stripos($descr,"black" ) !== false
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|| stripos($descr,"nero" ) !== false) { $colour['left'] = "000000"; $colour['right'] = "222222"; }
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return $colour;
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}
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function generate_link($text, $vars, $new_vars = array())
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{
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return '<a href="'.generate_url($vars, $new_vars).'">'.$text.'</a>';
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}
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function generate_url($vars, $new_vars = array())
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{
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$vars = array_merge($vars, $new_vars);
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$url = $vars['page']."/";
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unset($vars['page']);
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foreach ($vars as $var => $value)
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{
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if ($value == "0" || $value != "" && strstr($var, "opt") === FALSE && is_numeric($var) === FALSE)
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{
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$url .= $var ."=".$value."/";
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}
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}
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return($url);
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}
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function escape_quotes($text)
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{
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return str_replace('"', "\'", str_replace("'", "\'", $text));
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}
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function generate_overlib_content($graph_array, $text)
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{
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global $config;
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$overlib_content = '<div class=overlib><span class=overlib-text>'.$text.'</span><br />';
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foreach (array('day','week','month','year') as $period)
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{
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$graph_array['from'] = $config['time'][$period];
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$overlib_content .= escape_quotes(generate_graph_tag($graph_array));
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}
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$overlib_content .= '</div>';
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return $overlib_content;
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}
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function get_percentage_colours($percentage)
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{
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if ($percentage > '90') { $background['left']='c4323f'; $background['right']='C96A73'; }
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elseif ($percentage > '75') { $background['left']='bf5d5b'; $background['right']='d39392'; }
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elseif ($percentage > '50') { $background['left']='bf875b'; $background['right']='d3ae92'; }
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elseif ($percentage > '25') { $background['left']='5b93bf'; $background['right']='92b7d3'; }
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else { $background['left']='9abf5b'; $background['right']='bbd392'; }
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return($background);
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}
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function generate_minigraph_image($device, $start, $end, $type, $legend = 'no', $width = 275, $height = 100, $sep = '&', $class = "minigraph-image")
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{
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return '<img class="'.$class.'" src="graph.php?'.
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implode($sep, array('device='.$device['device_id'], "from=$start", "to=$end", "width=$width", "height=$height", "type=$type", "legend=$legend")).'">';
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}
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function generate_device_url($device, $vars=array())
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{
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return generate_url(array('page' => 'device', 'device' => $device['device_id']), $vars);
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}
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function generate_device_link($device, $text=NULL, $vars=array(), $start=0, $end=0, $escape_text=1)
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{
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global $config;
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if (!$start) { $start = $config['time']['day']; }
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if (!$end) { $end = $config['time']['now']; }
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$class = devclass($device);
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if (!$text) { $text = $device['hostname']; }
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if (isset($config['os'][$device['os']]['over']))
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{
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$graphs = $config['os'][$device['os']]['over'];
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}
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elseif (isset($device['os_group']) && isset($config['os'][$device['os_group']]['over']))
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{
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$graphs = $config['os'][$device['os_group']]['over'];
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}
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else
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{
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$graphs = $config['os']['default']['over'];
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}
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$url = generate_device_url($device, $vars);
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// beginning of overlib box contains large hostname followed by hardware & OS details
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$contents = "<div><span class=list-large>".$device['hostname']."</span>";
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if ($device['hardware']) { $contents .= " - ".$device['hardware']; }
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if ($device['os']) { $contents .= " - ".mres($config['os'][$device['os']]['text']); }
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if ($device['version']) { $contents .= " ".mres($device['version']); }
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if ($device['features']) { $contents .= " (".mres($device['features']).")"; }
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if (isset($device['location'])) { $contents .= " - " . htmlentities($device['location']); }
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$contents .= "</div>";
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foreach ($graphs as $entry)
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{
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$graph = $entry['graph'];
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$graphhead = $entry['text'];
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$contents .= '<div class=overlib-box>';
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$contents .= '<span class=overlib-title>'.$graphhead.'</span><br />';
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$contents .= generate_minigraph_image($device, $start, $end, $graph);
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$contents .= generate_minigraph_image($device, $config['time']['week'], $end, $graph);
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$contents .= '</div>';
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}
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if ($escape_text) { $text = htmlentities($text); }
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$link = overlib_link($url, $text, escape_quotes($contents), $class);
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if (device_permitted($device['device_id']))
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{
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return $link;
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} else {
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return $device['hostname'];
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}
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}
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function overlib_link($url, $text, $contents, $class)
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{
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global $config;
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$contents = str_replace("\"", "\'", $contents);
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$output = '<a class="'.$class.'" href="'.$url.'"';
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$output .= " onmouseover=\"return overlib('".$contents."'".$config['overlib_defaults'].", WRAP,HAUTO,VAUTO);\" onmouseout=\"return nd();\">";
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$output .= $text."</a>";
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return $output;
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}
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function generate_graph_popup($graph_array)
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{
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global $config;
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// Take $graph_array and print day,week,month,year graps in overlib, hovered over graph
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$original_from = $graph_array['from'];
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$graph = generate_graph_tag($graph_array);
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$content = "<div class=list-large>".$graph_array['popup_title']."</div>";
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$content .= "<div style=\'width: 850px\'>";
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$graph_array['legend'] = "yes";
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$graph_array['height'] = "100";
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$graph_array['width'] = "340";
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$graph_array['from'] = $config['time']['day'];
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$content .= generate_graph_tag($graph_array);
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$graph_array['from'] = $config['time']['week'];
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$content .= generate_graph_tag($graph_array);
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$graph_array['from'] = $config['time']['month'];
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$content .= generate_graph_tag($graph_array);
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$graph_array['from'] = $config['time']['year'];
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$content .= generate_graph_tag($graph_array);
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$content .= "</div>";
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$graph_array['from'] = $original_from;
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$graph_array['link'] = generate_url($graph_array, array('page' => 'graphs', 'height' => NULL, 'width' => NULL, 'bg' => NULL));
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# $graph_array['link'] = "graphs/type=" . $graph_array['type'] . "/id=" . $graph_array['id'];
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return overlib_link($graph_array['link'], $graph, $content, NULL);
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}
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function print_graph_popup($graph_array)
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{
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echo(generate_graph_popup($graph_array));
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}
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function permissions_cache($user_id)
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{
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$permissions = array();
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foreach (dbFetchRows("SELECT * FROM devices_perms WHERE user_id = '".$user_id."'") as $device)
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{
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$permissions['device'][$device['device_id']] = 1;
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}
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foreach (dbFetchRows("SELECT * FROM ports_perms WHERE user_id = '".$user_id."'") as $port)
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{
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$permissions['port'][$port['port_id']] = 1;
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}
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foreach (dbFetchRows("SELECT * FROM bill_perms WHERE user_id = '".$user_id."'") as $bill)
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{
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$permissions['bill'][$bill['bill_id']] = 1;
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}
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return $permissions;
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}
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function bill_permitted($bill_id)
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{
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global $permissions;
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if ($_SESSION['userlevel'] >= "5") {
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$allowed = TRUE;
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} elseif ($permissions['bill'][$bill_id]) {
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$allowed = TRUE;
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} else {
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$allowed = FALSE;
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}
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return $allowed;
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}
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function port_permitted($port_id, $device_id = NULL)
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{
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global $permissions;
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if (!is_numeric($device_id)) { $device_id = get_device_id_by_port_id($port_id); }
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if ($_SESSION['userlevel'] >= "5")
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{
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$allowed = TRUE;
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} elseif (device_permitted($device_id)) {
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$allowed = TRUE;
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} elseif ($permissions['port'][$port_id]) {
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$allowed = TRUE;
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} else {
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$allowed = FALSE;
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}
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return $allowed;
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}
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function application_permitted($app_id, $device_id = NULL)
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{
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global $permissions;
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if (is_numeric($app_id))
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{
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if (!$device_id) { $device_id = get_device_id_by_app_id ($app_id); }
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if ($_SESSION['userlevel'] >= "5") {
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$allowed = TRUE;
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} elseif (device_permitted($device_id)) {
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$allowed = TRUE;
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} elseif ($permissions['application'][$app_id]) {
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$allowed = TRUE;
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} else {
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$allowed = FALSE;
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}
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} else {
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$allowed = FALSE;
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}
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return $allowed;
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}
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function device_permitted($device_id)
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{
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global $permissions;
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if ($_SESSION['userlevel'] >= "5")
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{
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$allowed = true;
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} elseif ($permissions['device'][$device_id]) {
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$allowed = true;
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} else {
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$allowed = false;
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}
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return $allowed;
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}
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function print_graph_tag($args)
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{
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echo(generate_graph_tag($args));
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}
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function generate_graph_tag($args)
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{
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foreach ($args as $key => $arg)
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{
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$urlargs[] = $key."=".$arg;
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}
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return '<img src="graph.php?' . implode('&',$urlargs).'" border="0" />';
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}
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function generate_graph_js_state($args) {
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// we are going to assume we know roughly what the graph url looks like here.
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// TODO: Add sensible defaults
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$from = (is_numeric($args['from']) ? $args['from'] : 0);
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$to = (is_numeric($args['to']) ? $args['to'] : 0);
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$width = (is_numeric($args['width']) ? $args['width'] : 0);
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$height = (is_numeric($args['height']) ? $args['height'] : 0);
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$legend = str_replace("'", "", $args['legend']);
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$state = <<<STATE
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<script type="text/javascript" language="JavaScript">
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document.graphFrom = $from;
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document.graphTo = $to;
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document.graphWidth = $width;
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document.graphHeight = $height;
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document.graphLegend = '$legend';
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</script>
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STATE;
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return $state;
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}
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function print_percentage_bar($width, $height, $percent, $left_text, $left_colour, $left_background, $right_text, $right_colour, $right_background)
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{
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if ($percent > "100") { $size_percent = "100"; } else { $size_percent = $percent; }
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$output = '
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<div style="font-size:11px;">
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<div style=" width:'.$width.'px; height:'.$height.'px; background-color:#'.$right_background.';">
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<div style="width:'.$size_percent.'%; height:'.$height.'px; background-color:#'.$left_background.'; border-right:0px white solid;"></div>
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<div style="vertical-align: middle;height: '.$height.'px;margin-top:-'.($height).'px; color:#'.$left_colour .'; padding-left :4px;"><b>'.$left_text.'</b></div>
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<div style="vertical-align: middle;height: '.$height.'px;margin-top:-'.($height).'px; color:#'.$right_colour.'; padding-right:4px;text-align:right;"><b>'.$right_text.'</b></div>
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</div>
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</div>';
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return $output;
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}
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function generate_entity_link($type, $entity, $text = NULL, $graph_type=NULL)
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{
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global $config, $entity_cache;
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if (is_numeric($entity))
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{
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$entity = get_entity_by_id_cache($type, $entity);
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}
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switch($type)
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{
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case "port":
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$link = generate_port_link($entity, $text, $graph_type);
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break;
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case "storage":
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if (empty($text)) { $text = $entity['storage_descr']; }
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$link = generate_link($text, array('page' => 'device', 'device' => $entity['device_id'], 'tab' => 'health', 'metric' => 'storage'));
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break;
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default:
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$link = $entity[$type.'_id'];
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}
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return($link);
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}
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function generate_port_link($port, $text = NULL, $type = NULL)
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{
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global $config;
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$port = ifNameDescr($port);
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if (!$text) { $text = fixIfName($port['label']); }
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if ($type) { $port['graph_type'] = $type; }
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if (!isset($port['graph_type'])) { $port['graph_type'] = 'port_bits'; }
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$class = ifclass($port['ifOperStatus'], $port['ifAdminStatus']);
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if (!isset($port['hostname'])) { $port = array_merge($port, device_by_id_cache($port['device_id'])); }
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$content = "<div class=list-large>".$port['hostname']." - " . fixifName($port['label']) . "</div>";
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if ($port['ifAlias']) { $content .= $port['ifAlias']."<br />"; }
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$content .= "<div style=\'width: 850px\'>";
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$graph_array['type'] = $port['graph_type'];
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$graph_array['legend'] = "yes";
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$graph_array['height'] = "100";
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$graph_array['width'] = "340";
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$graph_array['to'] = $config['time']['now'];
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$graph_array['from'] = $config['time']['day'];
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$graph_array['id'] = $port['port_id'];
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$content .= generate_graph_tag($graph_array);
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$graph_array['from'] = $config['time']['week'];
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$content .= generate_graph_tag($graph_array);
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$graph_array['from'] = $config['time']['month'];
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$content .= generate_graph_tag($graph_array);
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$graph_array['from'] = $config['time']['year'];
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$content .= generate_graph_tag($graph_array);
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$content .= "</div>";
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$url = generate_port_url($port);
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if (port_permitted($port['port_id'], $port['device_id'])) {
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return overlib_link($url, $text, $content, $class);
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} else {
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return fixifName($text);
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}
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}
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function generate_port_url($port, $vars=array())
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{
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return generate_url(array('page' => 'device', 'device' => $port['device_id'], 'tab' => 'port', 'port' => $port['port_id']), $vars);
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}
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function generate_peer_url($peer, $vars=array())
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{
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return generate_url(array('page' => 'device', 'device' => $peer['device_id'], 'tab' => 'routing', 'proto' => 'bgp'), $vars);
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}
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function generate_port_image($args)
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{
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if (!$args['bg']) { $args['bg'] = "FFFFFF"; }
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return "<img src='graph.php?type=".$args['graph_type']."&id=".$args['port_id']."&from=".$args['from']."&to=".$args['to']."&width=".$args['width']."&height=".$args['height']."&bg=".$args['bg']."'>";
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}
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function generate_port_thumbnail($port)
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{
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global $config;
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$port['graph_type'] = 'port_bits';
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$port['from'] = $config['time']['day'];
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$port['to'] = $config['time']['now'];
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$port['width'] = 150;
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$port['height'] = 21;
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return generate_port_image($port);
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}
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function print_port_thumbnail($args)
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{
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echo(generate_port_link($args, generate_port_image($args)));
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}
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function print_optionbar_start ($height = 0, $width = 0, $marginbottom = 5)
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{
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echo('
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<div class="well">
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');
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}
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function print_optionbar_end()
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{
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echo(' </div>');
|
|
}
|
|
|
|
function geteventicon($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()
|
|
{
|
|
# 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' && $ignore_dev_location[$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'] != '' && !$ignore_dev_location[$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'])); }
|
|
|
|
$content = "<div class=list-large>".$args['text']." - " . fixifName($args['label']) . "</div>";
|
|
if ($args['ifAlias']) { $content .= $args['ifAlias']."<br />"; }
|
|
$content .= "<div style=\'width: 850px\'>";
|
|
$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 .= "</div>";
|
|
|
|
|
|
$url = generate_ap_url($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 $config;
|
|
return '<h2>'.$message.' Please <a href="'.$config['project_issues'].'">report this</a> to the '.$config['project_name'].' developers.</h2>';
|
|
}
|
|
|
|
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 = '<ul class="pagination">';
|
|
$link_class = ($page == 1) ? "disabled" : "";
|
|
$return .= "<li><a href='' onClick='changePage(1,event);'>«</a></li>";
|
|
$return .= "<li class='$link_class'><a href='' onClick='changePage($page - 1,event);'><</a></li>";
|
|
|
|
if($start > 1) {
|
|
$return .= "<li><a href='' onClick='changePage(1,event);'>1</a></li>";
|
|
$return .= "<li class='disabled'><span>...</span></li>";
|
|
}
|
|
|
|
for($x=$start;$x<=$end;$x++) {
|
|
$link_class = ($page == $x) ? "active" : "";
|
|
$return .= "<li class='$link_class'><a href='' onClick='changePage($x,event);'>$x </a></li>";
|
|
}
|
|
|
|
if($end < $end_page) {
|
|
$return .= "<li class='disabled'><span>...</span></li>";
|
|
$return .= "<li><a href='' onClick='changePage($end_page,event);'>$end_page</a></li>";
|
|
}
|
|
|
|
$link_class = ($page == $end_page) ? "disabled" : "";
|
|
$return .= "<li class='$link_class'><a href='' onClick='changePage($page + 1,event);'>></a></li>";
|
|
$return .= "<li class='$link_class'><a href='' onClick='changePage($end_page,event);'>»</a></li>";
|
|
$return .= '</ul>';
|
|
return($return);
|
|
}
|
|
|
|
function is_admin() {
|
|
if ($_SESSION['userlevel'] == '10') {
|
|
$allowed = true;
|
|
} else {
|
|
$allowed = false;
|
|
}
|
|
return $allowed;
|
|
}
|
|
|
|
?>
|