IP Reg is a IPAM tool to keep track of assets, nodes (IP addresses, MAC addresses, DNS aliases) within different subnets, over different locations or even VLAN's. Written in PHP, used with a MySQL-database to have a unique insight in your local network.
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ipreg/lib/functions.php

158 lines
4.2 KiB

<?php
/*****************************************************************************
IP Reg, a PHP/MySQL IPAM tool
Copyright (C) 2007-2009 Wietse Warendorff (up to v0.5)
Copyright (C) 2011-2023 Thomas Hooge
SPDX-License-Identifier: GPL-3.0-or-later
*****************************************************************************/
// strip mac address to 12 char string
function strip_mac($mac) {
// strip chars we don't need
$mac = preg_replace("|[^a-fA-F0-9]|", "", $mac);
// capitalize (just because it looks better eh)
$mac = strtoupper($mac);
// and return
return ($mac);
}
// rebuild mac address
function write_mac($mac) {
// check string length
if (strlen($mac)!=12) {
// if the MAC is empty, or for whatever reason incorrect, just return
return $mac;
} else {
// count to 12...
for ($i=0; $i<12; $i++) {
// ... and strip mac to pieces
${"mac".$i} = $mac{$i};
}
// get user preference
$user_mac = $_SESSION['suser_mac'];
// count to 12 again...
for($i=0; $i<12; $i++) {
// ... and replace user preference with pieces
$user_mac = preg_replace("/x/", ${"mac".$i}, $user_mac, 1);
}
// and return
return $user_mac;
}
}
// redirect page
function header_location($location) {
// send header
header("location: " . $location);
// exit to be sure
exit;
}
// sanitize input
function sanitize($input) {
global $dblink;
// trim whitespaces
$input = @trim($input);
// magic quotes enabled?
if(get_magic_quotes_gpc()) {
// strip slashes
$input = stripslashes($input);
}
// convert to utf-8
iconv("UTF-8", "UTF-8", $input);
// convert special chars
$input = htmlentities($input,ENT_QUOTES,'UTF-8');
// make sql ready
$input = mysqli_real_escape_string($dblink, $input);
// and return
return $input;
}
function mysql_nullstring($input) {
if (isset($input)) {
return $input;
} else {
return '';
}
}
function lang_getfrombrowser ($allowed_languages, $default_language, $lang_variable = null, $strict_mode = true) {
if ($lang_variable === null) {
$lang_variable = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
}
if (empty($lang_variable)) {
return $default_language;
}
$accepted_languages = preg_split('/,\s*/', $lang_variable);
$current_lang = $default_language;
$current_q = 0;
foreach ($accepted_languages as $accepted_language) {
$res = preg_match ('/^([a-z]{1,8}(?:-[a-z]{1,8})*)(?:;\s*q=(0(?:\.[0-9]{1,3})?|1(?:\.0{1,3})?))?$/i',
$accepted_language, $matches);
if (!$res) {
continue;
}
$lang_code = explode ('-', $matches[1]);
if (isset($matches[2])) {
$lang_quality = (float)$matches[2];
} else {
$lang_quality = 1.0;
}
while (count ($lang_code)) {
if (in_array (strtolower (join ('-', $lang_code)), $allowed_languages)) {
if ($lang_quality > $current_q) {
$current_lang = strtolower (join ('-', $lang_code));
$current_q = $lang_quality;
break;
}
}
if ($strict_mode) {
break;
}
array_pop ($lang_code);
}
}
return $current_lang;
}
function print_tree_rec($tree, $level) {
$output = '<ul class="treelvl' . $level. '">' . "\n";
foreach ($tree as $node) {
$output .= '<li><a href="' . $node['href'] . '">' . $node['value'] . '</a>';
if ($node['children']) {
$output .= "\n" . print_tree_rec($node['children'], $level+1);
}
$output .= "</li>\n";
}
$output .= "</ul>\n";
return $output;
}
//function print_tree($params, &$smarty) {
function print_tree($params, Smarty_Internal_Template $template) {
if (empty($params['level'])) {
$level = 0;
} else {
$level = $params['level'];
}
if (empty($params['tree'])) {
return '';
} else {
return print_tree_rec($params['tree'], $level);
}
}
?>