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Add DHCP leases export/import from teleporter

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Signed-off-by: trimalcione <okchtioui@gmail.com>
This commit is contained in:
trimalcione
2019-08-20 18:12:16 +02:00
parent 83517ec126
commit 9d32aa6489
3 changed files with 115 additions and 74 deletions
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156
scripts/pi-hole/php/savesettings.php
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@@ -6,7 +6,7 @@
* This file is copyright under the latest version of the EUPL.
* Please see LICENSE file for your rights under this license. */
if(basename($_SERVER['SCRIPT_FILENAME']) !== "settings.php")
if(!in_array(basename($_SERVER['SCRIPT_FILENAME']), array("settings.php", "teleporter.php"), true))
{
die("Direct access to this script is forbidden!");
}
@@ -66,18 +66,15 @@ function validEmail($email)
&& escapeshellcmd($email) === $email;
}
$dhcp_static_leases = array();
function readStaticLeasesFile()
{
global $dhcp_static_leases;
$dhcp_static_leases = array();
function processStaticLeasesFile($file_path) {
$dhcp_static_leases_local = array();
try
{
$dhcpstatic = @fopen('/etc/dnsmasq.d/04-pihole-static-dhcp.conf', 'r');
$dhcpstatic = @fopen($file_path, 'r');
}
catch(Exception $e)
{
echo "Warning: Failed to read /etc/dnsmasq.d/04-pihole-static-dhcp.conf, this is not an error";
echo "Warning: Failed to read $file_path, this is not an error";
return false;
}
@@ -93,21 +90,34 @@ function readStaticLeasesFile()
{
if(validIP($one) && strlen($two) == 0)
// dhcp-host=mac,IP - no HOST
array_push($dhcp_static_leases,["hwaddr"=>$mac, "IP"=>$one, "host"=>""]);
array_push($dhcp_static_leases_local,["hwaddr"=>$mac, "IP"=>$one, "host"=>""]);
elseif(strlen($two) == 0)
// dhcp-host=mac,hostname - no IP
array_push($dhcp_static_leases,["hwaddr"=>$mac, "IP"=>"", "host"=>$one]);
array_push($dhcp_static_leases_local,["hwaddr"=>$mac, "IP"=>"", "host"=>$one]);
else
// dhcp-host=mac,IP,hostname
array_push($dhcp_static_leases,["hwaddr"=>$mac, "IP"=>$one, "host"=>$two]);
array_push($dhcp_static_leases_local,["hwaddr"=>$mac, "IP"=>$one, "host"=>$two]);
}
else if(validIP($one) && validDomain($mac))
{
// dhcp-host=hostname,IP - no MAC
array_push($dhcp_static_leases,["hwaddr"=>"", "IP"=>$one, "host"=>$mac]);
array_push($dhcp_static_leases_local,["hwaddr"=>"", "IP"=>$one, "host"=>$mac]);
}
}
return true;
return $dhcp_static_leases_local;
}
$dhcp_static_leases = array();
function readStaticLeasesFile()
{
global $dhcp_static_leases;
$dhcp_static_leases = array();
$result = processStaticLeasesFile('/etc/dnsmasq.d/04-pihole-static-dhcp.conf');
if($result !== false) {
$dhcp_static_leases = $result;
return true;
}
return $result;
}
function isequal(&$argument, &$compareto) {
@@ -185,6 +195,66 @@ function readAdlists()
return $list;
}
function addDHCPLease($mac, $ip, $hostname) {
$result = array('message' => "", 'value' => false);
if(!validMAC($mac))
{
$result['message'] .= "MAC address (".htmlspecialchars($mac).") is invalid!<br>";
}
$mac = strtoupper($mac);
if(!validIP($ip) && strlen($ip) > 0)
{
$result['message'] .= "IP address (".htmlspecialchars($ip).") is invalid!<br>";
}
if(!validDomain($hostname) && strlen($hostname) > 0)
{
$result['message'] .= "Host name (".htmlspecialchars($hostname).") is invalid!<br>";
}
if(strlen($hostname) == 0 && strlen($ip) == 0)
{
$result['message'] .= "You can not omit both the IP address and the host name!<br>";
}
if(strlen($hostname) == 0)
$hostname = "nohost";
if(strlen($ip) == 0)
$ip = "noip";
// Test if this lease is already included
readStaticLeasesFile();
global $dhcp_static_leases;
foreach($dhcp_static_leases as $lease) {
if($lease["hwaddr"] === $mac)
{
$result['message'] .= "Static release for MAC address (".htmlspecialchars($mac).") already defined!<br>";
break;
}
if($ip !== "noip" && $lease["IP"] === $ip)
{
$result['message'] .= "Static lease for IP address (".htmlspecialchars($ip).") already defined!<br>";
break;
}
if($lease["host"] === $hostname)
{
$result['message'] .= "Static lease for hostname (".htmlspecialchars($hostname).") already defined!<br>";
break;
}
}
if(!strlen($result['message']))
{
exec("sudo pihole -a addstaticdhcp ".$mac." ".$ip." ".$hostname);
$result['message'] = "A new static address has been added";
$result['value'] = true;
}
return $result;
}
// Read available adlists
$adlist = readAdlists();
// Read available DNS server list
@@ -534,61 +604,11 @@ function readAdlists()
if(isset($_POST["addstatic"]))
{
$mac = $_POST["AddMAC"];
$ip = $_POST["AddIP"];
$hostname = $_POST["AddHostname"];
if(!validMAC($mac))
{
$error .= "MAC address (".htmlspecialchars($mac).") is invalid!<br>";
}
$mac = strtoupper($mac);
if(!validIP($ip) && strlen($ip) > 0)
{
$error .= "IP address (".htmlspecialchars($ip).") is invalid!<br>";
}
if(!validDomain($hostname) && strlen($hostname) > 0)
{
$error .= "Host name (".htmlspecialchars($hostname).") is invalid!<br>";
}
if(strlen($hostname) == 0 && strlen($ip) == 0)
{
$error .= "You can not omit both the IP address and the host name!<br>";
}
if(strlen($hostname) == 0)
$hostname = "nohost";
if(strlen($ip) == 0)
$ip = "noip";
// Test if this lease is already included
readStaticLeasesFile();
foreach($dhcp_static_leases as $lease) {
if($lease["hwaddr"] === $mac)
{
$error .= "Static release for MAC address (".htmlspecialchars($mac).") already defined!<br>";
break;
}
if($ip !== "noip" && $lease["IP"] === $ip)
{
$error .= "Static lease for IP address (".htmlspecialchars($ip).") already defined!<br>";
break;
}
if($lease["host"] === $hostname)
{
$error .= "Static lease for hostname (".htmlspecialchars($hostname).") already defined!<br>";
break;
}
}
if(!strlen($error))
{
exec("sudo pihole -a addstaticdhcp ".$mac." ".$ip." ".$hostname);
$success .= "A new static address has been added";
$result = addDHCPLease($_POST["AddMAC"], $_POST["AddIP"], $_POST["AddHostname"]);
if($result['value']) {
$success .= $result['message'];
} else {
$error .= $result['message'];
}
break;
}