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fixed subnet check (2903267)

This commit is contained in:
Roland Gruber 2009-11-24 21:37:36 +00:00
parent 56abe4267d
commit b0e57a1de9
2 changed files with 51 additions and 57 deletions
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12
lam/lib/modules/fixed_ip.inc
View File

@ -170,7 +170,9 @@ class fixed_ip extends baseModule {
$ex_subnet = explode(".", $this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0]);
$ip_edit = false; // Range were edit?
foreach ($this->fixed_ip AS $id=>$arr) {
if (!empty($this->fixed_ip[$id]['ip']) && !$this->getAccountContainer()->getAccountModule('range')->check_subnet_range($this->fixed_ip[$id]['ip'],$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0])) {
if (!empty($this->fixed_ip[$id]['ip']) && !range::check_subnet_range($this->fixed_ip[$id]['ip'],
$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0],
$this->getAccountContainer()->getAccountModule('dhcp_settings')->getDHCPOption('subnet-mask'))) {
// Range anpassen:
$ex = explode(".", $this->fixed_ip[$id]['ip']);
$tmp = $this->fixed_ip[$id]['ip'];
@ -271,7 +273,9 @@ class fixed_ip extends baseModule {
}
// Is ip correct with subnet:
if (check_ip($_POST['ip_'.$id]) && !$this->getAccountContainer()->getAccountModule('range')->check_subnet_range($_POST['ip_'.$id], $this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0]) ) {
if (check_ip($_POST['ip_'.$id]) && !range::check_subnet_range($_POST['ip_'.$id],
$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0],
$this->getAccountContainer()->getAccountModule('dhcp_settings')->getDHCPOption('subnet-mask'))) {
$error = true;
}
@ -386,7 +390,9 @@ class fixed_ip extends baseModule {
elseif (($this->fixed_ip[$id]['ip'] == '') || !check_ip($this->fixed_ip[$id]['ip'])) {
$ipError = _("The IP address is invalid.");
}
elseif (!$this->getAccountContainer()->getAccountModule('range')->check_subnet_range($this->fixed_ip[$id]['ip'], $this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0]) ) {
elseif (!range::check_subnet_range($this->fixed_ip[$id]['ip'],
$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0],
$this->getAccountContainer()->getAccountModule('dhcp_settings')->getDHCPOption('subnet-mask'))) {
$ipError = _("The IP address does not match the subnet.");
}
elseif (!$this->overlapd_ip($this->fixed_ip[$id]['ip'])) {

96
lam/lib/modules/range.inc
View File

@ -49,14 +49,10 @@ class range extends baseModule {
// Range -> Function attibute_processed already running?
public $processed;
// Are the ranges ok???
public $ranges_ok;
// For check, if IPs overlaped.
public $overlaped;
public function get_metaData() {
$return = array();
// manages dhcp accounts
$return["account_types"] = array("dhcp");
@ -102,56 +98,50 @@ class range extends baseModule {
}
/**
* Calculates the subnet for a given IP and netmask.
*
* Checked, if it's a valid range
* @param String $ip IP address
* @param String $mask network mask
*/
private static function calculateSubnet($ip, $mask) {
return long2ip(ip2long($ip) & ip2long($mask));
}
/**
* Checks if the first IP is smaller than the second IP.
*
* @param first ip
* @param second ip
* @param String $first_ip first ip
* @param String $second_ip second ip
*
* @return true, if it's a valid Range, else false;
**/
public function check_range($first_ip,$second_ip) {
public function check_range($first_ip, $second_ip) {
$ex_first = explode(".", $first_ip);
$ex_second = explode(".", $second_ip);
if ($ex_first[0]!=$ex_second[0])
return false;
if ($ex_first[1]!=$ex_second[1])
return false;
if ($ex_first[2]!=$ex_second[2])
return false;
if ($ex_first[3]>$ex_second[3]) {
return false;
}
if ($ex_first[0]<$ex_second[0])
return true;
if ($ex_first[1]<$ex_second[1])
return true;
if ($ex_first[2]<$ex_second[2])
return true;
if ($ex_first[3]<$ex_second[3]) {
return true;
}
return false;
}
/**
* Check if an IP address is in the correct subnet.
*
* Check if the range and subnet are valid.
*
* @param IP
* @param Subnet
*
* @return true if the range and subnet valid, else false!
*
* @param String $ip IP address
* @param String $subnet subnet
* @param String $mask network mask
* @return true if the range and subnet valid, else false
**/
public function check_subnet_range($ip,$subnet) {
// Check if the range was valid with the subnet:
$ex = explode(".", $ip);
$ex_subnet = explode(".", $subnet);
if ($ex[0]==$ex_subnet[0] && $ex[1]==$ex_subnet[1] && $ex[2]==$ex_subnet[2]) {
return true;
}
else {
return false;
}
public static function check_subnet_range($ip, $subnet, $mask) {
$ipSubnet = range::calculateSubnet($ip, $mask);
return ($subnet == $ipSubnet);
}
/**
@ -175,8 +165,7 @@ class range extends baseModule {
if (in_array($n, $this->overlaped)) {
return false;
}
else
{
else {
$this->overlaped[] = $n;
}
}
@ -244,8 +233,9 @@ class range extends baseModule {
$ex_subnet = explode(".", $this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0]);
$range_edit = false; // Range were edit?
$dhcpAttrs = $this->getAccountContainer()->getAccountModule('dhcp_settings')->getAttributes();
$mask = $this->getAccountContainer()->getAccountModule('dhcp_settings')->getDHCPOption('subnet-mask');
foreach ($this->ranges AS $id=>$arr) {
if (!empty($this->ranges[$id]['range_start']) && !$this->check_subnet_range($this->ranges[$id]['range_start'],$dhcpAttrs['cn'][0])) {
if (!empty($this->ranges[$id]['range_start']) && !range::check_subnet_range($this->ranges[$id]['range_start'],$dhcpAttrs['cn'][0], $mask)) {
// Range anpassen:
$ex = explode(".", $this->ranges[$id]['range_start']);
$tmp = $this->ranges[$id]['range_start'];
@ -253,7 +243,7 @@ class range extends baseModule {
if($tmp!=$this->ranges[$id]['range_start'])
$range_edit = true;
}
if (!empty($this->ranges[$id]['range_end']) && !$this->check_subnet_range($this->ranges[$id]['range_end'],$dhcpAttrs['cn'][0])) {
if (!empty($this->ranges[$id]['range_end']) && !range::check_subnet_range($this->ranges[$id]['range_end'],$dhcpAttrs['cn'][0], $mask)) {
// Range anpassen:
$ex = explode(".", $this->ranges[$id]['range_end']);
$tmp = $this->ranges[$id]['range_end'];
@ -302,8 +292,8 @@ class range extends baseModule {
if ($_POST['range_start_'.$id]=="" && $_POST['range_end_'.$id]=="") {
unset($this->attributes['dhcpRange'][$id]);
}
else
{
else {
$mask = $this->getAccountContainer()->getAccountModule('dhcp_settings')->getDHCPOption('subnet-mask');
// Check range_start:
$_POST['range_start_'.$id] = trim($_POST['range_start_'.$id]);
if (!check_ip($_POST['range_start_'.$id])) {
@ -332,12 +322,12 @@ class range extends baseModule {
}
// Check if Subnet and range first are valid:
if (!$this->check_subnet_range($_POST['range_start_'.$id],$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0])) {
if (!range::check_subnet_range($_POST['range_start_'.$id],$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0], $mask)) {
$was_a_error = true;
}
// Check if Subnet and range last are valid:
if (!$this->check_subnet_range($_POST['range_end_'.$id],$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0])) {
if (!range::check_subnet_range($_POST['range_end_'.$id],$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0], $mask)) {
$was_a_error = true;
}
@ -349,12 +339,9 @@ class range extends baseModule {
// Check, if range_start and range_end are ok!
if (!$was_a_error) {
$this->attributes['dhcpRange'][$id] = $_POST['range_start_'.$id]." ".$_POST['range_end_'.$id];
$this->ranges_ok = true;
}
else
{
else {
unset($this->attributes['dhcpRange'][$id]);
$this->ranges_ok = false;
}
}
}
@ -402,6 +389,7 @@ class range extends baseModule {
$this->ranges[] = array();
}
$this->reset_overlaped_range();
$mask = $this->getAccountContainer()->getAccountModule('dhcp_settings')->getDHCPOption('subnet-mask');
foreach($this->ranges AS $id=>$arr) {
// Range start
@ -409,7 +397,7 @@ class range extends baseModule {
$error = "&laquo;&laquo; " . _("The IP address is invalid.");
} elseif($this->processed && !$this->check_range($this->ranges[$id]['range_start'],$this->ranges[$id]['range_end'])) {
$error = "&laquo;&laquo; " . _("The range end needs to be greater than the range start.");
} elseif ($this->processed && !$this->check_subnet_range($this->ranges[$id]['range_start'],$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0])) {
} elseif ($this->processed && !range::check_subnet_range($this->ranges[$id]['range_start'],$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0], $mask)) {
$error = "&laquo;&laquo; " . _("The IP does not match the subnet.");
} elseif ($this->processed && !$this->overlaped_range($this->ranges[$id]['range_start'],$this->ranges[$id]['range_end']) ) {
$error = "&laquo;&laquo; " . _("The range conflicts with another range.");
@ -425,7 +413,7 @@ class range extends baseModule {
// Range end
if ($this->processed && !check_ip($this->ranges[$id]['range_end'])) {
$error = "&laquo;&laquo; " . _("The IP address is invalid.");
} elseif ($this->processed && !$this->check_subnet_range($this->ranges[$id]['range_end'],$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0])) {
} elseif ($this->processed && !range::check_subnet_range($this->ranges[$id]['range_end'],$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0], $mask)) {
$error = "&laquo;&laquo; " . _("The IP does not match the subnet.");
} else {
$error = "";