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/functions.php

101 lines
3.3 KiB

<?php
/*****************************************************************************
IP Reg, a PHP/MySQL IPAM tool
Copyright (C) 2008 Wietse Warendorff
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
For more information, visit http://sourceforge.net/projects/ipreg,
or contact me at wietsew@users.sourceforge.net
*****************************************************************************/
// 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);
// capotolize (just because it looks better eh)
$mac = strtoupper($mac);
// and return
return ($mac);
}
// rebuild mac address
function write_mac($mac) {
if (strlen($mac)!=12) {
// if the MAC is empty, or for whatever reason incorrect, just return
return $mac;
} else {
// length is ok, continue
// strip mac to pieces
for($i=0;$i<12;$i++) {
${"mac".$i} = $mac{$i};
}
// get user preference
$user_mac = $_SESSION['suser_mac'];
// replace user preference with pieces
for($i=0;$i<12;$i++) {
$user_mac = preg_replace("/x/", ${"mac".$i}, $user_mac, 1);
}
// and return
return $user_mac;
}
}
// redirect page
function header_location($location) {
header("location: " . $location);
exit;
}
// authorisation check
function auth($item, $min_auth, $item_id) {
// get user_id
$suser_id = $_SESSION['suser_id'];
// set base auth to 0
$auth = 0;
// check for global rights
$result = mysql_query("SELECT uc.auth FROM userclassauth uc, useruserclass u WHERE u.user_id='$suser_id' AND uc.userclass_id=u.userclass_id AND uc.item='ipreg' AND uc.id=0 ORDER BY uc.ordering DESC LIMIT 1") or die(mysql_error());
while ($row = mysql_fetch_object($result)) {
$auth = $row->auth;
}
// check specific auth for this item
$result = mysql_query("SELECT uc.auth FROM userclassauth uc, useruserclass u WHERE u.user_id='$suser_id' AND uc.userclass_id=u.userclass_id AND uc.item='$item' AND uc.id=0 ORDER BY uc.ordering DESC LIMIT 1") or die(mysql_error());
while ($row = mysql_fetch_object($result)) {
$auth = $row->auth;
}
// and for a specific ID (if set)
if($item_id>0) {
$result = mysql_query("SELECT uc.auth FROM userclassauth uc, useruserclass u WHERE u.user_id='$suser_id' AND uc.userclass_id=u.userclass_id AND uc.item='$item' AND uc.id='$item_id' ORDER BY uc.ordering DESC LIMIT 1") or die(mysql_error());
while ($row = mysql_fetch_object($result)) {
$auth = $row->auth;
}
}
if($auth<$min_auth) {
// not allowed -> redirect
header_location("comments.php?comments=notallowed");
} else {
return $auth;
}
}
?>