function nmap_scan_period()
{
if (system_is_overloaded(basename(__FILE__))) {
writelogs("Overloaded system, aborting", __FUNCTION__, __FILE__, __LINE__);
return;
}
$unix = new unix();
$pidfile = "/etc/artica-postfix/pids/exec.nmapscan.php.nmap_scan_period.pid";
$pidtime = "/etc/artica-postfix/pids/exec.nmapscan.php.nmap_scan_period.time";
$pid = @file_get_contents($pidfile);
if ($unix->process_exists($pid, basename(__FILE__))) {
die;
}
@unlink($pidfile);
@file_put_contents($pidfile, getmypid());
$sock = new sockets();
$EnableScanComputersNet = $sock->GET_INFO("EnableScanComputersNet");
if (!is_numeric($EnableScanComputersNet)) {
$EnableScanComputersNet = 0;
}
if ($EnableScanComputersNet == 0) {
die;
}
$EnableScanComputersNetSchedule = $sock->GET_INFO("EnableScanComputersNetSchedule");
if (!is_numeric($EnableScanComputersNetSchedule)) {
$EnableScanComputersNetSchedule = 15;
}
if ($EnableScanComputersNetSchedule < 5) {
$EnableScanComputersNetSchedule = 5;
}
$time = $unix->file_time_min($pidtime);
if ($time < $EnableScanComputersNetSchedule) {
die;
}
@unlink($pidtime);
@file_put_contents($pidtime, time());
$sql = "SELECT MACADDR,IPADDRESS FROM networks";
$q = new mysql();
$results = $q->QUERY_SQL($sql, "ocsweb");
$computer = new computers();
if (!$q->ok) {
if (preg_match("#Unknown database#", $q->mysql_error)) {
$sock = new sockets();
$sock->getFrameWork("services.php?mysql-ocs=yes");
$results = $q->QUERY_SQL($sql, "ocsweb");
}
return;
}
if (!$q->FIELD_EXISTS("networks", "isActive", "ocsweb")) {
$q->QUERY_SQL("ALTER TABLE `networks` ADD `isActive` SMALLINT( 1 ) NOT NULL DEFAULT '0',ADD INDEX ( `isActive` ) ", "ocsweb");
}
$users = new usersMenus();
if (!is_file("{$users->NMAP_PATH}")) {
return null;
}
$cmp = new computers();
while ($ligne = mysql_fetch_array($results, MYSQL_ASSOC)) {
$MACADDR = $ligne["MACADDR"];
$IPADDRESS = $ligne["IPADDRESS"];
$cmd = $users->NMAP_PATH . " -v -F -PE -PN -O {$IPADDRESS} --system-dns --version-light 2>&1";
$resultsScan = array();
exec($cmd, $resultsScan);
$PORTS = array();
$osDetails = null;
$uid = null;
$UpTime = null;
$LIVE = false;
$MACSSCAN = null;
while (list($index, $line) = each($resultsScan)) {
if (preg_match("#Nmap scan report for.+?host down#", $line)) {
if ($GLOBALS["VERBOSE"]) {
echo "{$MACADDR} ({$IPADDRESS}) DOWN\n";
}
nmap_scan_period_save($IPADDRESS, $MACADDR, 0);
break;
}
if (preg_match("#([0-9]+).+?open\\s+(.+)#", $line, $re)) {
$PORTS[$re[1]] = $re[2];
continue;
}
if (preg_match("#^OS details:(.+)#", $line, $re)) {
$osDetails = trim($re[1]);
if (preg_match("#Microsoft.+?Windows.+?7#i", $osDetails)) {
$osDetails = "Windows 7";
}
continue;
}
if (preg_match("#^Uptime guess:\\s+(.+)#", $line, $re)) {
$UpTime = $re[1];
continue;
}
if (preg_match("#^MAC Address:\\s+([0-9A-Z:]+)\$#", trim($line), $re)) {
$MACSSCAN = trim(strtolower($re[1]));
continue;
}
if (preg_match("#^MAC Address:(.+).+?\\((.+?)\\)#", $line, $re)) {
$MACSSCAN = trim(strtolower($re[1]));
continue;
}
}
if (count($PORTS) > 0) {
AddPorts($PORTS, $MACADDR);
if (is_array($PORTS)) {
$uid = $cmp->ComputerIDFromMAC($MACADDR);
$cmp = new computers($uid);
$portser = serialize($PORTS);
$cmp->UpdateComputerOpenPorts(base64_encode($portser));
$PORTS = array();
$LIVE = true;
}
}
if ($MACADDR == "unknown") {
if ($MACSSCAN != null) {
$MACADDR = $MACSSCAN;
}
}
if ($osDetails != null) {
if ($uid == null) {
$uid = $cmp->ComputerIDFromMAC($MACADDR);
$cmp = new computers($uid);
}
if ($cmp->ComputerOS != $osDetails) {
$cmp->update_OS($osDetails);
}
$LIVE = true;
}
if ($UpTime != null) {
if ($uid == null) {
$uid = $cmp->ComputerIDFromMAC($MACADDR);
$cmp = new computers($uid);
}
$cmp->UpdateComputerUpTime($UpTime);
$LIVE = true;
}
if ($LIVE) {
if ($GLOBALS["VERBOSE"]) {
echo "{$IPADDRESS}/{$MACADDR} " . count($PORTS) . " ports ({$osDetails}) TTL:{$UpTime}\n";
}
nmap_scan_period_save($IPADDRESS, $MACADDR, 1);
$LIVE = false;
continue;
}
if ($GLOBALS["VERBOSE"]) {
echo "{$IPADDRESS}/{$MACADDR} DOWN\n";
}
}
}