$distname, 'version' => $distver, 'id' => $distid, 'baseid' => $distbaseid); } //** Email Quota public function monitorEmailQuota() { global $conf, $app; //* Initialize data array $data = array(); //* the id of the server as int $server_id = intval($conf['server_id']); //* The type of the data $type = 'email_quota'; //* The state of the email_quota. $state = 'ok'; $mailboxes = $app->db->queryAllRecords("SELECT email,maildir FROM mail_user WHERE server_id = $server_id"); if(is_array($mailboxes)) { foreach($mailboxes as $mb) { $email = $mb['email']; $email_parts = explode('@',$mb['email']); $filename = $mb['maildir'].'/.quotausage'; if(file_exists($filename) && !is_link($filename)) { $quotafile = file($filename); $data[$email]['used'] = trim($quotafile['1']); unset($quotafile); } else { exec('du -s '.escapeshellcmd($mb['maildir']),$out); $parts = explode(' ',$out[0]); $data[$email]['used'] = intval($parts[0])*1024; unset($out); unset($parts); } } } unset($mailboxes); //* Dovecot quota check Courier in progress lathama@gmail.com /* if($dir = opendir("/var/vmail")){ while (($quotafiles = readdir($dir)) !== false){ if(preg_match('/.\_quota$/', $quotafiles)){ $quotafile = (file("/var/vmail/" . $quotafiles)); $emailaddress = preg_replace('/_quota/',"", $quotafiles); $emailaddress = preg_replace('/_/',"@", $emailaddress); $data[$emailaddress]['used'] = trim($quotafile['1']); } } closedir($dir); } */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } //** Filesystem Quota public function monitorHDQuota() { global $conf; //* Initialize data array $data = array(); //* the id of the server as int $server_id = intval($conf['server_id']); //* The type of the data $type = 'harddisk_quota'; //* The state of the harddisk_quota. $state = 'ok'; //* Fetch the data for all users $dfData = shell_exec('repquota -au'); //* Split into array $df = explode("\n", $dfData); //* ignore the first 5 lines, process the rest for ($i = 5; $i <= sizeof($df); $i++) { if ($df[$i] != '') { //* Make a array of the data $s = preg_split('/[\s]+/', $df[$i]); $username = $s[0]; if (substr($username, 0, 3) == 'web') { if (isset($data['user'][$username])) { $data['user'][$username]['used'] += $s[2]; $data['user'][$username]['soft'] += $s[3]; $data['user'][$username]['hard'] += $s[4]; $data['user'][$username]['files'] += $s[5]; } else { $data['user'][$username]['used'] = $s[2]; $data['user'][$username]['soft'] = $s[3]; $data['user'][$username]['hard'] = $s[4]; $data['user'][$username]['files'] = $s[5]; } } } } //** Fetch the data for all users $dfData = shell_exec('repquota -ag'); //* split into array $df = explode("\n", $dfData); //* ignore the first 5 lines, process the rest for ($i = 5; $i <= sizeof($df); $i++) { if ($df[$i] != '') { //* Make a array of the data $s = preg_split('/[\s]+/', $df[$i]); $groupname = $s[0]; if (substr($groupname, 0, 6) == 'client') { if (isset($data['group'][$groupname])) { $data['group'][$groupname]['used'] += $s[1]; $data['group'][$groupname]['soft'] += $s[2]; $data['group'][$groupname]['hard'] += $s[3]; } else { $data['group'][$groupname]['used'] = $s[1]; $data['group'][$groupname]['soft'] = $s[2]; $data['group'][$groupname]['hard'] = $s[3]; } } } } //* Return the Result $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorServer() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'server_load'; /* Fetch the data into a array */ $procUptime = shell_exec("cat /proc/uptime | cut -f1 -d' '"); $data['up_days'] = floor($procUptime / 86400); $data['up_hours'] = floor(($procUptime - $data['up_days'] * 86400) / 3600); $data['up_minutes'] = floor(($procUptime - $data['up_days'] * 86400 - $data['up_hours'] * 3600) / 60); $data['uptime'] = shell_exec('uptime'); $tmp = explode(',', $data['uptime'], 4); $tmpUser = explode(' ', trim($tmp[2])); $data['user_online'] = intval($tmpUser[0]); //* New Load Average code to fix "always zero" bug in non-english distros. NEEDS TESTING $loadTmp = shell_exec("cat /proc/loadavg | cut -f1-3 -d' '"); $load = explode(' ', $loadTmp); $data['load_1'] = floatval(str_replace(',', '.', $load[0])); $data['load_5'] = floatval(str_replace(',', '.', $load[1])); $data['load_15'] = floatval(str_replace(',', '.', $load[2])); /** The state of the server-load. */ $state = 'ok'; if ($data['load_1'] > 20) $state = 'info'; if ($data['load_1'] > 50) $state = 'warning'; if ($data['load_1'] > 100) $state = 'critical'; if ($data['load_1'] > 150) $state = 'error'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorOsVer() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'os_info'; /* Fetch the data into a array */ $dist = $this->get_distname(); $data['name'] = $dist['name']; $data['version'] = $dist['version']; /* the OS has no state. It is, what it is */ $state = 'no_state'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorIspcVer() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'ispc_info'; /* Fetch the data into a array */ $data['name'] = ISPC_APP_TITLE; $data['version'] = ISPC_APP_VERSION; /* the ISPC-Version has no state. It is, what it is */ $state = 'no_state'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorDiskUsage() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'disk_usage'; /** The state of the disk-usage */ $state = 'ok'; /** Fetch the data of ALL devices into a array (needed for monitoring!) */ $dfData = shell_exec('df -hT'); // split into array $df = explode("\n", $dfData); /* * ignore the first line, process the rest */ for ($i = 1; $i <= sizeof($df); $i++) { if ($df[$i] != '') { /* * Make an array of the data */ $s = preg_split('/[\s]+/', $df[$i]); $data[$i]['fs'] = $s[0]; $data[$i]['type'] = $s[1]; $data[$i]['size'] = $s[2]; $data[$i]['used'] = $s[3]; $data[$i]['available'] = $s[4]; $data[$i]['percent'] = $s[5]; $data[$i]['mounted'] = $s[6]; /* * calculate the state */ $usePercent = floatval($data[$i]['percent']); //* get the free memsize if(substr($data[$i]['available'],-1) == 'G') { $freesize = floatval($data[$i]['available'])*1024; } elseif(substr($data[$i]['available'],-1) == 'T') { $freesize = floatval($data[$i]['available'])*1024*1024; } else { $freesize = floatval($data[$i]['available']); } //* We don't want to check some filesystem which have no sensible filling levels switch ($data[$i]['type']) { case 'iso9660': case 'cramfs': case 'udf': case 'tmpfs': case 'devtmpfs': case 'udev': break; default: if ($usePercent > 75 && $freesize < 2000) $state = $this->_setState($state, 'info'); if ($usePercent > 80 && $freesize < 1000) $state = $this->_setState($state, 'warning'); if ($usePercent > 90 && $freesize < 500) $state = $this->_setState($state, 'critical'); if ($usePercent > 95 && $freesize < 100) $state = $this->_setState($state, 'error'); break; } } } /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorMemUsage() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'mem_usage'; /* Fetch the data into a array */ $miData = shell_exec('cat /proc/meminfo'); $memInfo = explode("\n", $miData); foreach ($memInfo as $line) { $part = preg_split('/:/', $line); $key = trim($part[0]); $tmp = explode(' ', trim($part[1])); $value = 0; if ($tmp[1] == 'kB') $value = $tmp[0] * 1024; $data[$key] = $value; } /* * actually this info has no state. * maybe someone knows better...???... */ $state = 'no_state'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorCpu() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'cpu_info'; /* Fetch the data into a array */ if (file_exists('/proc/cpuinfo')) { $cpuData = shell_exec('cat /proc/cpuinfo'); $cpuInfo = explode("\n", $cpuData); $processor = 0; foreach ($cpuInfo as $line) { $part = preg_split('/:/', $line); $key = trim($part[0]); $value = trim($part[1]); if ($key == 'processor') $processor = intval($value); if ($key != '') $data[$key . ' ' . $processor] = $value; } /* the cpu has no state. It is, what it is */ $state = 'no_state'; } else { /* * It is not Linux, so there is no data and no state * * no_state, NOT unknown, because "unknown" is shown as state * inside the GUI. no_state is hidden. * * We have to write NO DATA inside the DB, because the GUI * could not know, if there is any dat, or not... */ $state = 'no_state'; $data['output'] = ''; } /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorServices() { global $app; global $conf; /** the id of the server as int */ $server_id = intval($conf['server_id']); /** get the "active" Services of the server from the DB */ $services = $app->db->queryOneRecord('SELECT * FROM server WHERE server_id = ' . $server_id); /* * If the DB is down, we have to set the db to "yes". * If we don't do this, then the monitor will NOT monitor, that the db is down and so the * rescue-module can not try to rescue the db */ if ($services == null) { $services['db_server'] = 1; } /* The type of the Monitor-data */ $type = 'services'; /** the State of the monitoring */ /* ok, if ALL active services are running, * error, if not * There is no other state! */ $state = 'ok'; /* Monitor Webserver */ $data['webserver'] = -1; // unknown - not needed if ($services['web_server'] == 1) { if ($this->_checkTcp('localhost', 80)) { $data['webserver'] = 1; } else { $data['webserver'] = 0; $state = 'error'; // because service is down } } /* Monitor FTP-Server */ $data['ftpserver'] = -1; // unknown - not needed if ($services['file_server'] == 1) { if ($this->_checkFtp('localhost', 21)) { $data['ftpserver'] = 1; } else { $data['ftpserver'] = 0; $state = 'error'; // because service is down } } /* Monitor SMTP-Server */ $data['smtpserver'] = -1; // unknown - not needed if ($services['mail_server'] == 1) { if ($this->_checkTcp('localhost', 25)) { $data['smtpserver'] = 1; } else { $data['smtpserver'] = 0; $state = 'error'; // because service is down } } /* Monitor POP3-Server */ $data['pop3server'] = -1; // unknown - not needed if ($services['mail_server'] == 1) { if ($this->_checkTcp('localhost', 110)) { $data['pop3server'] = 1; } else { $data['pop3server'] = 0; $state = 'error'; // because service is down } } /* Monitor IMAP-Server */ $data['imapserver'] = -1; // unknown - not needed if ($services['mail_server'] == 1) { if ($this->_checkTcp('localhost', 143)) { $data['imapserver'] = 1; } else { $data['imapserver'] = 0; $state = 'error'; // because service is down } } /* Monitor BIND-Server */ $data['bindserver'] = -1; // unknown - not needed if ($services['dns_server'] == 1) { if ($this->_checkUdp('localhost', 53)) { $data['bindserver'] = 1; } else { $data['bindserver'] = 0; $state = 'error'; // because service is down } } /* Monitor MySQL Server */ $data['mysqlserver'] = -1; // unknown - not needed if ($services['db_server'] == 1) { if ($this->_checkTcp('localhost', 3306)) { $data['mysqlserver'] = 1; } else { $data['mysqlserver'] = 0; $state = 'error'; // because service is down } } /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorOpenVzHost() { global $app; global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'openvz_veinfo'; /* Fetch the data into a array */ $app->load(openvz_tools); $openVzTools = new openvz_tools(); $data = $openVzTools->getOpenVzVeInfo(); /* the VE-Info has no state. It is, what it is */ $state = 'no_state'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorOpenVzUserBeancounter() { global $app; global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'openvz_beancounter'; /* Fetch the data into a array */ $app->load(openvz_tools); $openVzTools = new openvz_tools(); $data = $openVzTools->getOpenVzVeBeanCounter(); /* calculate the state of the beancounter */ if ($data == '') { $state = 'no_state'; } else { $state = 'ok'; /* transfer this output-string into a array */ $test = explode("\n", $data); /* the first list of the output is not needed */ array_shift($test); /* now process all items of the rest */ foreach ($test as $item) { /* * eliminate all doubled spaces and spaces at the beginning and end */ while (strpos($item, ' ') !== false) { $item = str_replace(' ', ' ', $item); } $item = trim($item); /* * The failcounter is the LAST */ if ($item != '') { $tmp = explode(' ', $item); $failCounter = $tmp[sizeof($tmp) - 1]; if ($failCounter > 0) $state = 'info'; if ($failCounter > 50) $state = 'warning'; if ($failCounter > 200) $state = 'critical'; if ($failCounter > 10000) $state = 'error'; } } } /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorSystemUpdate() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'system_update'; /* This monitoring is only available on Debian or Ubuntu */ if (file_exists('/etc/debian_version')) { /* * first update the "apt database" */ shell_exec('apt-get update'); /* * Then test the upgrade. * if there is any output, then there is a needed update */ $aptData = shell_exec('apt-get -s -qq dist-upgrade'); if ($aptData == '') { /* There is nothing to update! */ $state = 'ok'; } else { /* * There is something to update! this is in most cases not critical, so we can * do a system-update once a month or so... */ $state = 'info'; } /* * Fetch the output */ $data['output'] = shell_exec('apt-get -s -q dist-upgrade'); } elseif (file_exists('/etc/gentoo-release')) { /* * first update the portage tree */ // In keeping with gentoo's rsync policy, don't update to frequently (every four hours - taken from http://www.gentoo.org/doc/en/source_mirrors.xml) $do_update = true; if (file_exists('/usr/portage/metadata/timestamp.chk')) { $datetime = file_get_contents('/usr/portage/metadata/timestamp.chk'); $datetime = trim($datetime); $dstamp = strtotime($datetime); if ($dstamp) { $checkat = $dstamp + 14400; // + 4hours if (mktime() < $checkat) { $do_update = false; } } } if ($do_update) { shell_exec('emerge --sync --quiet'); } /* * Then test the upgrade. * if there is any output, then there is a needed update */ $emergeData = shell_exec('glsa-check -t affected'); if ($emergeData == '') { /* There is nothing to update! */ $state = 'ok'; $data['output'] = 'No unapplied GLSA\'s found on the system.'; } else { /* There is something to update! */ $state = 'info'; $data['output'] = shell_exec('glsa-check -pv --nocolor affected 2>/dev/null'); } } elseif (file_exists('/etc/SuSE-release')) { /* * update and find the upgrade. * if there is any output, then there is a needed update */ $aptData = shell_exec('zypper -q lu'); if ($aptData == '') { /* There is nothing to update! */ $state = 'ok'; } else { /* * There is something to update! this is in most cases not critical, so we can * do a system-update once a month or so... */ $state = 'info'; } /* * Fetch the output */ $data['output'] = shell_exec('zypper lu'); } else { /* * It is not Debian/Ubuntu, so there is no data and no state * * no_state, NOT unknown, because "unknown" is shown as state * inside the GUI. no_state is hidden. * * We have to write NO DATA inside the DB, because the GUI * could not know, if there is any dat, or not... */ $state = 'no_state'; $data['output'] = ''; } /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorMailQueue() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'mailq'; /* Get the data from the mailq */ $data['output'] = shell_exec('mailq'); /* * The last line has more informations */ $tmp = explode("\n", $data['output']); $more = $tmp[sizeof($tmp) - 1]; $res = $this->_getIntArray($more); $data['bytes'] = $res[0]; $data['requests'] = $res[1]; /** The state of the mailq. */ $state = 'ok'; if ($data['requests'] > 2000) $state = 'info'; if ($data['requests'] > 5000) $state = 'warning'; if ($data['requests'] > 8000) $state = 'critical'; if ($data['requests'] > 10000) $state = 'error'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorRaid() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'raid_state'; /* * We support several RAID types, but if we can't find any of them, we have no data */ $state = 'no_state'; $data['output'] = ''; /* * Check, if Software-RAID is enabled */ if (file_exists('/proc/mdstat')) { /* * Fetch the output */ $data['output'] = shell_exec('cat /proc/mdstat'); /* * Then calc the state. */ $tmp = explode("\n", $data['output']); $state = 'ok'; for ($i = 0; $i < sizeof($tmp); $i++) { /* fetch the next line */ $line = $tmp[$i]; if ((strpos($line, '[U_]') !== false) || (strpos($line, '[_U]') !== false)) { /* One Disk is not working. * if the next line starts with "[>" or "[=" then * recovery (resync) is in state and the state is * information instead of critical */ $nextLine = $tmp[$i + 1]; if ((strpos($nextLine, '[>') === false) && (strpos($nextLine, '[=') === false)) { $state = $this->_setState($state, 'critical'); } else { $state = $this->_setState($state, 'info'); } } if (strpos($line, '[__]') !== false) { /* both Disk are not working */ $state = $this->_setState($state, 'error'); } if (strpos($line, '[UU]') !== false) { /* The disks are OK. * if the next line starts with "[>" or "[=" then * recovery (resync) is in state and the state is * information instead of ok */ $nextLine = $tmp[$i + 1]; if ((strpos($nextLine, '[>') === false) && (strpos($nextLine, '[=') === false)) { $state = $this->_setState($state, 'ok'); } else { $state = $this->_setState($state, 'info'); } } } } /* * Check, if we have mpt-status installed (LSIsoftware-raid) */ if (file_exists('/proc/mpt/summary')) { system('which mpt-status', $retval); if ($retval === 0) { /* * Fetch the output */ $data['output'] = shell_exec('mpt-status --autoload'); /* * Then calc the state. */ $state = 'ok'; if(is_array($data['output'])) { foreach ($data['output'] as $item) { /* * The output contains information for every RAID and every HDD. * We only need the state of the RAID */ if (strpos($item, 'state ') !== false) { /* * We found a raid, process the state of it */ if (strpos($item, ' ONLINE ') !== false) { $this->_setState($state, 'ok'); } elseif (strpos($item, ' OPTIMAL ') !== false) { $this->_setState($state, 'ok'); } elseif (strpos($item, ' INITIAL ') !== false) { $this->_setState($state, 'info'); } elseif (strpos($item, ' INACTIVE ') !== false) { $this->_setState($state, 'critical'); } elseif (strpos($item, ' RESYNC ') !== false) { $this->_setState($state, 'info'); } elseif (strpos($item, ' DEGRADED ') !== false) { $this->_setState($state, 'critical'); } else { /* we don't know the state. so we set the state to critical, that the * admin is warned, that something is wrong */ $this->_setState($state, 'critical'); } } } } } } /* * 3ware Controller */ system('which tw_cli', $retval); if($retval === 0) { $data['output'] = shell_exec('tw_cli info c0'); $state = 'ok'; if(is_array($data['output'])) { foreach ($data['output'] as $item) { if (strpos($item, 'RAID') !== false) { if (strpos($item, ' VERIFYING ') !== false) { $this->_setState($state, 'info'); } else if (strpos($item, ' MIGRATE-PAUSED ') !== false) { $this->_setState($state, 'info'); } else if (strpos($item, ' MIGRATING ') !== false) { $this->_setState($state, 'ok'); } else if (strpos($item, ' INITIALIZING ') !== false) { $this->_setState($state, 'info'); } else if (strpos($item, ' INIT-PAUSED ') !== false) { $this->_setState($state, 'info'); } else if (strpos($item, ' REBUILDING ') !== false) { $this->_setState($state, 'info'); } else if (strpos($item, ' REBUILD-PAUSED ') !== false) { $this->_setState($state, 'warning'); } else if (strpos($item, ' RECOVERY ') !== false) { $this->_setState($state, 'warning'); } else if (strpos($item, ' DEGRADED ') !== false) { $this->_setState($state, 'critical'); } else if (strpos($item, ' UNKNOWN ') !== false) { $this->_setState($state, 'critical'); } else if (strpos($item, ' OK ') !== false) { $this->_setState($state, 'ok'); } else if (strpos($item, ' OPTIMAL ') !== false) { $this->_setState($state, 'ok'); } else { $this->_setState($state, 'critical'); } } } } } /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorRkHunter() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'rkhunter'; /* This monitoring is only available if rkhunter is installed */ system('which rkhunter', $retval); if ($retval === 0) { /* * Fetch the output */ $data['output'] = shell_exec('rkhunter --update --checkall --nocolors --skip-keypress'); /* * At this moment, there is no state (maybe later) */ $state = 'no_state'; } else { /* * rkhunter is not installed, so there is no data and no state * * no_state, NOT unknown, because "unknown" is shown as state * inside the GUI. no_state is hidden. * * We have to write NO DATA inside the DB, because the GUI * could not know, if there is any dat, or not... */ $state = 'no_state'; $data['output'] = ''; } /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorFail2ban() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'log_fail2ban'; /* This monitoring is only available if fail2ban is installed */ system('which fail2ban-client', $retval); // Debian, Ubuntu, Fedora if ($retval !== 0) system('which fail2ban', $retval); // CentOS if ($retval === 0) { /* Get the data of the log */ $data = $this->_getLogData($type); /* * At this moment, there is no state (maybe later) */ $state = 'no_state'; } else { /* * fail2ban is not installed, so there is no data and no state * * no_state, NOT unknown, because "unknown" is shown as state * inside the GUI. no_state is hidden. * * We have to write NO DATA inside the DB, because the GUI * could not know, if there is any dat, or not... */ $state = 'no_state'; $data = ''; } /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorIPTables() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'iptables_rules'; /* This monitoring is only available if fail2ban is installed */ system('which iptables', $retval); // Debian, Ubuntu, Fedora if ($retval === 0) { /* Get the data of the log */ $data['output'] = '

iptables -S (ipv4)

'.shell_exec('iptables -S'); /* * At this moment, there is no state (maybe later) */ $state = 'no_state'; } else { $state = 'no_state'; $data = ''; } /* This monitoring is only available if fail2ban is installed */ system('which ip6tables', $retval); // Debian, Ubuntu, Fedora if ($retval === 0) { /* Get the data of the log */ $data['output'] .= '

ip6tables -S (ipv6)

'.shell_exec('ip6tables -S'); /* * At this moment, there is no state (maybe later) */ $state = 'no_state'; } else { $state = 'no_state'; $data = ''; } /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorSysLog() { global $app; global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'sys_log'; /* * is there any warning or error for this server? */ $state = 'ok'; $dbData = $app->dbmaster->queryAllRecords('SELECT loglevel FROM sys_log WHERE server_id = ' . $server_id . ' AND loglevel > 0'); if (is_array($dbData)) { foreach ($dbData as $item) { if ($item['loglevel'] == 1) $state = $this->_setState($state, 'warning'); if ($item['loglevel'] == 2) $state = $this->_setState($state, 'error'); } } /** There is no monitor-data because the data is in the sys_log table */ $data['output'] = ''; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorMailLog() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'log_mail'; /* Get the data of the log */ $data = $this->_getLogData($type); /* * actually this info has no state. * maybe someone knows better...???... */ $state = 'no_state'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorMailWarnLog() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'log_mail_warn'; /* Get the data of the log */ $data = $this->_getLogData($type); /* * actually this info has no state. * maybe someone knows better...???... */ $state = 'no_state'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorMailErrLog() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'log_mail_err'; /* Get the data of the log */ $data = $this->_getLogData($type); /* * actually this info has no state. * maybe someone knows better...???... */ $state = 'no_state'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorMessagesLog() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'log_messages'; /* Get the data of the log */ $data = $this->_getLogData($type); /* * actually this info has no state. * maybe someone knows better...???... */ $state = 'no_state'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorISPCCronLog() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'log_ispc_cron'; /* Get the data of the log */ $data = $this->_getLogData($type); /* * actually this info has no state. * maybe someone knows better...???... */ $state = 'no_state'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorFreshClamLog() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'log_freshclam'; /* Get the data of the log */ $data = $this->_getLogData($type); /* Get the data from the LAST log-Entry. * if there can be found: * WARNING: Your ClamAV installation is OUTDATED! * then the clamav is outdated. This is a warning! */ $state = 'ok'; $tmp = explode("\n", $data); $lastLog = array(); if ($tmp[sizeof($tmp) - 1] == '') { /* the log ends with an empty line remove this */ array_pop($tmp); } if (strpos($tmp[sizeof($tmp) - 1], '-------------') !== false) { /* the log ends with "-----..." remove this */ array_pop($tmp); } for ($i = sizeof($tmp) - 1; $i > 0; $i--) { if (strpos($tmp[$i], '---------') === false) { /* no delimiter found, so add this to the last-log */ $lastLog[] = $tmp[$i]; } else { /* delimiter found, so there is no more line left! */ break; } } /* * Now we have the last log in the array. * Check if the outdated-string is found... */ foreach ($lastLog as $line) { if (strpos(strtolower($line), 'outdated') !== false) { /* * Outdatet is only info, because if we set this to warning, the server is * as long in state warning, as there is a new version of ClamAv which takes * sometimes weeks! */ $state = $this->_setState($state, 'info'); } } /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorClamAvLog() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'log_clamav'; /* Get the data of the log */ $data = $this->_getLogData($type); // Todo: the state should be calculated. $state = 'ok'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function monitorIspConfigLog() { global $conf; /* the id of the server as int */ $server_id = intval($conf['server_id']); /** The type of the data */ $type = 'log_ispconfig'; /* Get the data of the log */ $data = $this->_getLogData($type); // Todo: the state should be calculated. $state = 'ok'; /* * Return the Result */ $res['server_id'] = $server_id; $res['type'] = $type; $res['data'] = $data; $res['state'] = $state; return $res; } public function _getLogData($log) { global $conf; $dist = ''; $logfile = ''; if (@is_file('/etc/debian_version')) { $dist = 'debian'; } elseif (@is_file('/etc/redhat-release')) { $dist = 'redhat'; } elseif (@is_file('/etc/SuSE-release')) { $dist = 'suse'; } elseif (@is_file('/etc/gentoo-release')) { $dist = 'gentoo'; } switch ($log) { case 'log_mail': if ($dist == 'debian') { $logfile = '/var/log/mail.log'; } elseif ($dist == 'redhat') { $logfile = '/var/log/maillog'; } elseif ($dist == 'suse') { $logfile = '/var/log/mail.info'; } elseif ($dist == 'gentoo') { $logfile = '/var/log/maillog'; } break; case 'log_mail_warn': if ($dist == 'debian') { $logfile = '/var/log/mail.warn'; } elseif ($dist == 'redhat') { $logfile = '/var/log/maillog'; } elseif ($dist == 'suse') { $logfile = '/var/log/mail.warn'; } elseif ($dist == 'gentoo') { $logfile = '/var/log/maillog'; } break; case 'log_mail_err': if ($dist == 'debian') { $logfile = '/var/log/mail.err'; } elseif ($dist == 'redhat') { $logfile = '/var/log/maillog'; } elseif ($dist == 'suse') { $logfile = '/var/log/mail.err'; } elseif ($dist == 'gentoo') { $logfile = '/var/log/maillog'; } break; case 'log_messages': if ($dist == 'debian') { $logfile = '/var/log/syslog'; } elseif ($dist == 'redhat') { $logfile = '/var/log/messages'; } elseif ($dist == 'suse') { $logfile = '/var/log/messages'; } elseif ($dist == 'gentoo') { $logfile = '/var/log/messages'; } break; case 'log_ispc_cron': if ($dist == 'debian') { $logfile = $conf['ispconfig_log_dir'] . '/cron.log'; } elseif ($dist == 'redhat') { $logfile = $conf['ispconfig_log_dir'] . '/cron.log'; } elseif ($dist == 'suse') { $logfile = $conf['ispconfig_log_dir'] . '/cron.log'; } elseif ($dist == 'gentoo') { $logfile = '/var/log/cron'; } break; case 'log_freshclam': if ($dist == 'debian') { $logfile = '/var/log/clamav/freshclam.log'; } elseif ($dist == 'redhat') { $logfile = (is_file('/var/log/clamav/freshclam.log') ? '/var/log/clamav/freshclam.log' : '/var/log/freshclam.log'); } elseif ($dist == 'suse') { $logfile = '/var/log/freshclam.log'; } elseif ($dist == 'gentoo') { $logfile = '/var/log/clamav/freshclam.log'; } break; case 'log_clamav': if ($dist == 'debian') { $logfile = '/var/log/clamav/clamav.log'; } elseif ($dist == 'redhat') { $logfile = (is_file('/var/log/clamav/clamd.log') ? '/var/log/clamav/clamd.log' : '/var/log/maillog'); } elseif ($dist == 'suse') { $logfile = '/var/log/clamd.log'; } elseif ($dist == 'gentoo') { $logfile = '/var/log/clamav/clamd.log'; } break; case 'log_fail2ban': if ($dist == 'debian') { $logfile = '/var/log/fail2ban.log'; } elseif ($dist == 'redhat') { $logfile = '/var/log/fail2ban.log'; } elseif ($dist == 'suse') { $logfile = '/var/log/fail2ban.log'; } elseif ($dist == 'gentoo') { $logfile = '/var/log/fail2ban.log'; } break; case 'log_ispconfig': if ($dist == 'debian') { $logfile = $conf['ispconfig_log_dir'] . '/ispconfig.log'; } elseif ($dist == 'redhat') { $logfile = $conf['ispconfig_log_dir'] . '/ispconfig.log'; } elseif ($dist == 'suse') { $logfile = $conf['ispconfig_log_dir'] . '/ispconfig.log'; } elseif ($dist == 'gentoo') { $logfile = $conf['ispconfig_log_dir'] . '/ispconfig.log'; } break; default: $logfile = ''; break; } // Getting the logfile content if ($logfile != '') { $logfile = escapeshellcmd($logfile); if (stristr($logfile, ';') or substr($logfile, 0, 9) != '/var/log/' or stristr($logfile, '..')) { $log = 'Logfile path error.'; } else { $log = ''; if (is_readable($logfile)) { $fd = popen('tail -n 100 ' . $logfile, 'r'); if ($fd) { while (!feof($fd)) { $log .= fgets($fd, 4096); $n++; if ($n > 1000) break; } fclose($fd); } } else { $log = 'Unable to read ' . $logfile; } } } return $log; } private function _checkTcp($host, $port) { /* Try to open a connection */ $fp = @fsockopen($host, $port, $errno, $errstr, 2); if ($fp) { /* * We got a connection, this means, everything is O.K. * But maybe we are able to do more deep testing? */ if ($port == 80) { /* * Port 80 means, testing APACHE * So we can do a deepter test and try to get data over this connection. * (if apache hangs, we get a connection but a timeout by trying to GET the data!) */ // fwrite($fp, "GET / HTTP/1.0\r\n\r\n"); $out = "GET / HTTP/1.1\r\n"; $out .= "Host: localhost\r\n"; $out .= "User-Agent: Mozilla/5.0 (ISPConfig monitor)\r\n"; $out .= "Accept: application/xml,application/xhtml+xml,text/html\r\n"; $out .= "Connection: Close\r\n\r\n"; fwrite($fp, $out); stream_set_timeout($fp, 5); // Timeout after 5 seconds $res = fread($fp, 10); // try to get 10 bytes (enough to test!) $info = stream_get_meta_data($fp); if ($info['timed_out']) { return false; // Apache was not able to send data over this connection } } /* The connection is no longer needed */ fclose($fp); /* We are able to establish a connection */ return true; } else { /* We are NOT able to establish a connection */ return false; } } private function _checkUdp($host, $port) { $fp = @fsockopen('udp://' . $host, $port, $errno, $errstr, 2); if ($fp) { fclose($fp); return true; } else { return false; } } private function _checkFtp($host, $port) { $conn_id = @ftp_connect($host, $port); if ($conn_id) { @ftp_close($conn_id); return true; } else { return false; } } /** * Set the state to the given level (or higher, but not lesser). * * If the actual state is critical and you call the method with ok, * then the state is critical. * * * If the actual state is critical and you call the method with error, * then the state is error. */ private function _setState($oldState, $newState) { /* * Calculate the weight of the old state */ switch ($oldState) { case 'no_state': $oldInt = 0; break; case 'ok': $oldInt = 1; break; case 'unknown': $oldInt = 2; break; case 'info': $oldInt = 3; break; case 'warning': $oldInt = 4; break; case 'critical': $oldInt = 5; break; case 'error': $oldInt = 6; break; } /* * Calculate the weight of the new state */ switch ($newState) { case 'no_state': $newInt = 0; break; case 'ok': $newInt = 1; break; case 'unknown': $newInt = 2; break; case 'info': $newInt = 3; break; case 'warning': $newInt = 4; break; case 'critical': $newInt = 5; break; case 'error': $newInt = 6; break; } /* * Set to the higher level */ if ($newInt > $oldInt) { return $newState; } else { return $oldState; } } private function _getIntArray($line) { /** The array of float found */ $res = array(); /* First build a array from the line */ $data = explode(' ', $line); /* then check if any item is a float */ foreach ($data as $item) { if ($item . '' == (int) $item . '') { $res[] = $item; } } return $res; } } ?>