/**
* ipCalc calculations
*/
function calculateIpCalcResult($cidr)
{
/* first verify address type */
$type = IdentifyAddress($cidr);
/* IPv4 */
if ($type == "IPv4") {
$net = Net_IPv4::parseAddress($cidr);
//set ip address type
$out['Type'] = 'IPv4';
//calculate network details
$out['IP address'] = $net->ip;
// 192.168.0.50
$out['Network'] = $net->network;
// 192.168.0.0
$out['Broadcast'] = $net->broadcast;
// 192.168.255.255
$out['Subnet bitmask'] = $net->bitmask;
// 16
$out['Subnet netmask'] = $net->netmask;
// 255.255.0.0
$out['Subnet wildcard'] = long2ip(~ip2long($net->netmask));
//0.0.255.255
//calculate min/max IP address
$out['Min host IP'] = long2ip(ip2long($out['Network']) + 1);
$out['Max host IP'] = long2ip(ip2long($out['Broadcast']) - 1);
$out['Number of hosts'] = ip2long($out['Broadcast']) - ip2long($out['Min host IP']);
//subnet class
$out['Subnet Class'] = checkIpv4AddressType($out['Network'], $out['Broadcast']);
//if IP == subnet clear the Host fields
if ($out['IP address'] == $out['Network']) {
$out['IP address'] = "/";
}
} else {
//set ip address type
$out['Type'] = 'IPv6';
//calculate network details
/* $out['Host address'] = Net_IPv6::removeNetmaskSpec ( $cidr ); */
$out['Host address'] = $cidr;
$out['Host address'] = Net_IPv6::compress($out['Host address'], 1);
$out['Host address (uncompressed)'] = Net_IPv6::uncompress($out['Host address']);
$mask = Net_IPv6::getNetmaskSpec($cidr);
$subnet = Net_IPv6::getNetmask($cidr);
$out['Subnet prefix'] = Net_IPv6::compress($subnet) . '/' . $mask;
$out['Prefix length'] = Net_IPv6::getNetmaskSpec($cidr);
// get reverse DNS entries
$out['Host Reverse DNS'] = calculateReverseDNS6($out['Host address (uncompressed)']);
$out['Subnet Reverse DNS'] = calculateReverseDNS6($subnet, $mask);
//if IP == subnet clear the Host fields and Host Reverse DNS
if ($out['Host address'] == $out['Subnet prefix']) {
$out['Host address'] = '/';
$out['Host address (uncompressed)'] = '/';
unset($out['Host Reverse DNS']);
}
//min / max hosts
$maxIp = gmp_strval(gmp_add(gmp_sub(gmp_pow(2, 128 - $mask), 1), ip2long6($subnet)));
$out['Min host IP'] = long2ip6(gmp_strval(gmp_add(ip2long6($subnet), 1)));
$out['Max host IP'] = long2ip6($maxIp);
$out['Number of hosts'] = MaxHosts($mask, 1);
//address type
$out['Address type'] = Net_IPv6::getAddressType($cidr);
$out['Address type'] = checkIpv6AddressType($out['Address type']);
}
/* return results */
return $out;
}
function ipv6_in_range($ip, $range_ip)
{
$pieces = explode("/", $range_ip, 2);
$left_piece = $pieces[0];
$right_piece = $pieces[1];
// Extract out the main IP pieces
$ip_pieces = explode("::", $left_piece, 2);
$main_ip_piece = $ip_pieces[0];
$last_ip_piece = $ip_pieces[1];
// Pad out the shorthand entries.
$main_ip_pieces = explode(":", $main_ip_piece);
foreach ($main_ip_pieces as $key => $val) {
$main_ip_pieces[$key] = str_pad($main_ip_pieces[$key], 4, "0", STR_PAD_LEFT);
}
// Create the first and last pieces that will denote the IPV6 range.
$first = $main_ip_pieces;
$last = $main_ip_pieces;
// Check to see if the last IP block (part after ::) is set
$last_piece = "";
$size = count($main_ip_pieces);
if (trim($last_ip_piece) != "") {
$last_piece = str_pad($last_ip_piece, 4, "0", STR_PAD_LEFT);
// Build the full form of the IPV6 address considering the last IP block set
for ($i = $size; $i < 7; $i++) {
$first[$i] = "0000";
$last[$i] = "ffff";
}
$main_ip_pieces[7] = $last_piece;
} else {
// Build the full form of the IPV6 address
for ($i = $size; $i < 8; $i++) {
$first[$i] = "0000";
$last[$i] = "ffff";
}
}
// Rebuild the final long form IPV6 address
$first = ip2long6(implode(":", $first));
$last = ip2long6(implode(":", $last));
$in_range = $ip >= $first && $ip <= $last;
return $in_range;
}
/**
* Transform IP address from dotted to decimal (10.2.1.0 -> 167903488)
*
* @access public
* @param mixed $address
* @return void
*/
public function transform_to_decimal($address)
{
if ($this->identify_address($address) == "IPv4") {
return sprintf("%u", ip2long($address));
} else {
return ip2long6($address);
}
}
/**
* Transform IP address from dotted to decimal (10.2.1.0 -> 167903488)
*/
function Transform2decimal($ip)
{
if (IdentifyAddress($ip) == "IPv4") {
return sprintf("%u", ip2long($ip));
} else {
return ip2long6($ip);
}
}
function userlogin()
{
$ip = getip();
// If there's no IP a script is being ran from CLI. Any checks here will fail, skip all.
if ($ip == "") {
return;
}
global $CURUSER;
unset($GLOBALS["CURUSER"]);
//Check IP bans
if (is_ipv6($ip)) {
$nip = ip2long6($ip);
} else {
$nip = ip2long($ip);
}
$res = SQL_Query_exec("SELECT * FROM bans");
while ($row = mysql_fetch_assoc($res)) {
$banned = false;
if (is_ipv6($row["first"]) && is_ipv6($row["last"]) && is_ipv6($ip)) {
$row["first"] = ip2long6($row["first"]);
$row["last"] = ip2long6($row["last"]);
$banned = bccomp($row["first"], $nip) != -1 && bccomp($row["last"], $nip) != -1;
} else {
$row["first"] = ip2long($row["first"]);
$row["last"] = ip2long($row["last"]);
$banned = $nip >= $row["first"] && $nip <= $row["last"];
}
if ($banned) {
header("HTTP/1.0 403 Forbidden");
echo "<html><head><title>Forbidden</title></head><body><h1>Forbidden</h1>Unauthorized IP address.<br />" . "Reason for banning: {$row['comment']}</body></html>";
die;
}
}
//Check The Cookie and get CURUSER details
if (strlen($_COOKIE["pass"]) != 40 || !is_numeric($_COOKIE["uid"])) {
logoutcookie();
return;
}
//Get User Details And Permissions
$res = SQL_Query_exec("SELECT * FROM users INNER JOIN groups ON users.class=groups.group_id WHERE id={$_COOKIE['uid']} AND users.enabled='yes' AND users.status = 'confirmed'");
$row = mysql_fetch_assoc($res);
if (!$row || sha1($row["id"] . $row["secret"] . $row["password"] . $ip . $row["secret"]) != $_COOKIE["pass"]) {
logoutcookie();
return;
}
$where = where($_SERVER["SCRIPT_FILENAME"], $row["id"], 0);
SQL_Query_exec("UPDATE users SET last_access='" . get_date_time() . "', ip=" . sqlesc($ip) . ", page=" . sqlesc($where) . " WHERE id=" . $row["id"]);
$GLOBALS["CURUSER"] = $row;
unset($row);
}
/**
* Calculates IPv6 from cidr
*
* @access private
* @param mixed $cidr
* @return void
*/
private function calculate_IPv6_calc_results($cidr)
{
# initialize subnets Class
$Subnets = new Subnets($this->Database);
# Initialize PEAR NET object
$this->initialize_pear_net_IPv6();
# set ip address type
$out['Type'] = 'IPv6';
# calculate network details
$out['Host address'] = $cidr;
$out['Host address'] = $this->Net_IPv6->compress($out['Host address'], 1);
$out['Host address (uncompressed)'] = $this->Net_IPv6->uncompress($out['Host address']);
$mask = $this->Net_IPv6->getNetmaskSpec($cidr);
$subnet = $this->Net_IPv6->getNetmask($cidr);
$out['Subnet prefix'] = $this->Net_IPv6->compress($subnet) . '/' . $mask;
$out['Prefix length'] = $this->Net_IPv6->getNetmaskSpec($cidr);
# get reverse DNS entries
$out['Host Reverse DNS'] = $this->reverse_IPv6($out['Host address (uncompressed)']);
$out['Subnet Reverse DNS'] = $this->reverse_IPv6($subnet, $mask);
# if IP == subnet clear the Host fields and Host Reverse DNS
if ($out['Host address'] == $out['Subnet prefix']) {
$out['Host address'] = '/';
$out['Host address (uncompressed)'] = '/';
unset($out['Host Reverse DNS']);
}
# /min / max hosts
$maxIp = gmp_strval(gmp_add(gmp_pow(2, 128 - $mask), ip2long6($subnet)));
$out['Min host IP'] = $subnet;
$out['Max host IP'] = long2ip6($maxIp);
$out['Number of hosts'] = $Subnets->get_max_hosts($mask, "IPv6");
# set address type
$out['Address type'] = $this->get_ipv6_address_type($cidr);
# result
return $out;
}
