0) list ($ip1bin, $ip2bin) = array($ip2bin, $ip1bin); // swap contents of ip1 <= ip2 $rangesubnets = array(); $netsize = 0; do { // at loop start, $ip1 is guaranteed strictly less than $ip2 (important for edge case trapping and preventing accidental binary wrapround) // which means the assignments $ip1 += 1 and $ip2 -= 1 will always be "binary-wrapround-safe" // step #1 if start ip (as shifted) ends in any '1's, then it must have a single cidr to itself (any cidr would include the '0' below it) if (substr($ip1bin, -1, 1) == '1') { // the start ip must be in a separate one-IP cidr range $new_subnet_ip = substr($ip1bin, $netsize, $bits - $netsize) . str_repeat('0', $netsize); $rangesubnets[$new_subnet_ip] = $bits - $netsize; $n = strrpos($ip1bin, '0'); //can't be all 1's $ip1bin = ($n == 0 ? '' : substr($ip1bin, 0, $n)) . '1' . str_repeat('0', $bits - $n - 1); // BINARY VERSION OF $ip1 += 1 } // step #2, if end ip (as shifted) ends in any zeros then that must have a cidr to itself (as cidr cant span the 1->0 gap) if (substr($ip2bin, -1, 1) == '0') { // the end ip must be in a separate one-IP cidr range $new_subnet_ip = substr($ip2bin, $netsize, $bits - $netsize) . str_repeat('0', $netsize); $rangesubnets[$new_subnet_ip] = $bits - $netsize; $n = strrpos($ip2bin, '1'); //can't be all 0's $ip2bin = ($n == 0 ? '' : substr($ip2bin, 0, $n)) . '0' . str_repeat('1', $bits - $n - 1); // BINARY VERSION OF $ip2 -= 1 // already checked for the edge case where end = start+1 and start ends in 0x1, above, so it's safe } // this is the only edge case arising from increment/decrement. // it happens if the range at start of loop is exactly 2 adjacent ips, that spanned the 1->0 gap. (we will have enumerated both by now) if (strcmp($ip2bin, $ip1bin) < 0) continue; // step #3 the start and end ip MUST now end in '0's and '1's respectively // so we have a non-trivial range AND the last N bits are no longer important for CIDR purposes. $shift = $bits - max(strrpos($ip1bin, '0'), strrpos($ip2bin, '1')); // num of low bits which are '0' in ip1 and '1' in ip2 $ip1bin = str_repeat('0', $shift) . substr($ip1bin, 0, $bits - $shift); $ip2bin = str_repeat('0', $shift) . substr($ip2bin, 0, $bits - $shift); $netsize += $shift; if ($ip1bin === $ip2bin) { // we're done. $new_subnet_ip = substr($ip1bin, $netsize, $bits - $netsize) . str_repeat('0', $netsize); $rangesubnets[$new_subnet_ip] = $bits - $netsize; continue; } // at this point there's still a remaining range, and either startip ends with '1', or endip ends with '0'. So repeat cycle. } while (strcmp($ip1bin, $ip2bin) < 0); // subnets are ordered by bit size. Re sort by IP ("naturally") and convert back to IPv4/IPv6 ksort($rangesubnets, SORT_STRING); $out = array(); foreach ($rangesubnets as $ip => $netmask) { if ($proto == 'ipv4') { $i = str_split($ip, 8); $out[] = implode('.', array( bindec($i[0]),bindec($i[1]),bindec($i[2]),bindec($i[3]))) . '/' . $netmask; } else $out[] = Net_IPv6::compress(Net_IPv6::_bin2Ip($ip)) . '/' . $netmask; } return $out; } # Set php Memory Limit to 256M. This is required to process the MaxMind IP Database ini_set('memory_limit', '256M'); function pfb_update_check($header_url, $list_url, $url_format) { global $pfb; if ($url_format == "rsync" || $url_format == "html") { $log = "[ {$header_url} ]\n Skipping timestamp query\n"; pfb_logger("{$log}","1"); return TRUE; } switch ($url_format) { case "gz": case "gz_2": case "gz_lg": case "et": $type = '.gz'; break; case "zip": case "xlsx": $type = '.zip'; break; case "txt": $type = '.orig'; break; case "html": case "block": $type = '.raw'; break; } $log = "[ {$header_url} ]\n"; pfb_logger("{$log}","1"); $host = @parse_url($list_url); $local_file = "{$pfb['origdir']}/{$header_url}{$type}"; if (file_exists($local_file)) { // Determine if URL is Remote or Local if ($host['host'] == "127.0.0.1" || $host['host'] == $pfb['iplocal'] || empty($host['host'])) { $remote_tds = gmdate ("D, d M Y H:i:s T", filemtime($local_file)); } else { $remote_tds = @implode(preg_grep("/Last-Modified/", get_headers($list_url))); $remote_tds = preg_replace("/^Last-Modified: /","", $remote_tds); } $log = " Remote timestamp: {$remote_tds}\n"; pfb_logger("{$log}","1"); $local_tds = gmdate ("D, d M Y H:i:s T", filemtime($local_file)); $log = " Local timestamp: {$local_tds}\n"; pfb_logger("{$log}","1"); if ("{$remote_tds}" != "{$local_tds}") { return TRUE; } else { $log = " Remote file unchanged. Download Terminated\n"; pfb_logger("{$log}","1"); return FALSE; } } else { return TRUE; } } if ($argv[1] == 'update') { sync_package_pfblockerng("cron"); } if ($argv[1] == 'uc') { pfblockerng_uc_countries(); pfblockerng_get_countries(); } if ($argv[1] == 'gc') { pfblockerng_get_countries(); } if ($argv[1] == 'cron') { $hour = date('H'); $dow = date('N'); # Start hour of the 'Once a day' Schedule $pfb['dailystart'] = $config['installedpackages']['pfblockerng']['config'][0]['pfb_dailystart']; # Start hour of the Scheduler if ($config['installedpackages']['pfblockerng']['config'][0]['pfb_hour'] != "") { $pfb['hour'] = $config['installedpackages']['pfblockerng']['config'][0]['pfb_hour']; } else { $pfb['hour'] = "1"; } $updates = 0; # 2 Hour Schedule Converter $shour = intval(substr($pfb['hour'], 0, 2)); $sch2 = strval($shour); for ($i=0; $i<11; $i++) { $shour += 2; if ($shour > 24) $shour -= 24; $sch2 .= "," . strval($shour); } # 3 Hour Schedule Converter $shour = intval(substr($pfb['hour'], 0, 2)); $sch3 = strval($shour); for ($i=0; $i<7; $i++) { $shour += 3; if ($shour > 24) $shour -= 24; $sch3 .= "," . strval($shour); } # 4 Hour Schedule Converter $shour = intval(substr($pfb['hour'], 0, 2)); $sch4 = strval($shour); for ($i=0; $i<5; $i++) { $shour += 4; if ($shour > 24) $shour -= 24; $sch4 .= "," . strval($shour); } # 6 Hour Schedule Converter $shour = intval(substr($pfb['hour'], 0, 2)); $sch6 = strval($shour); for ($i=0; $i<3; $i++) { $shour += 6; if ($shour > 24) $shour -= 24; $sch6 .= "," . strval($shour); } # 8 Hour Schedule Converter $shour = intval(substr($pfb['hour'], 0, 2)); $sch8 = strval($shour); for ($i=0; $i<2; $i++) { $shour += 8; if ($shour > 24) $shour -= 24; $sch8 .= "," . strval($shour); } # 12 Hour Schedule Converter $shour = intval(substr($pfb['hour'], 0, 2)); $sch12 = strval($shour) . ","; $shour += 12; if ($shour > 24) $shour -= 24; $sch12 .= strval($shour); $e_sch2 = explode(",", $sch2); $e_sch3 = explode(",", $sch3); $e_sch4 = explode(",", $sch4); $e_sch6 = explode(",", $sch6); $e_sch8 = explode(",", $sch8); $e_sch12 = explode(",", $sch12); $log = " CRON PROCESS START [ NOW ]\n"; pfb_logger("{$log}","1"); $list_type = array ("pfblockernglistsv4" => "_v4", "pfblockernglistsv6" => "_v6"); foreach ($list_type as $ip_type => $vtype) { if ($config['installedpackages'][$ip_type]['config'] != "") { foreach ($config['installedpackages'][$ip_type]['config'] as $list) { if (is_array($list['row']) && $list['action'] != "Disabled" && $list['action'] != "") { foreach ($list['row'] as $row) { if ($row['url'] != "" && $row['format'] != "hold" && $row['format'] != "skip") { if ($vtype == "_v4") { $header_url = "{$row['header']}"; } else { $header_url = "{$row['header']}_v6"; } # Determine Folder Location for Alias (return array $pfbarr) pfb_determine_list_detail($list['action']); $pfbfolder = $pfbarr['folder']; $list_cron = $list['cron']; $list_url = $row['url']; $header_dow = $list['dow']; $url_format = $row['format']; # Check if List file exists, if not found run Update if (!file_exists($pfbfolder . '/' . $header_url . '.txt')) { $log = " Updates Found\n"; pfb_logger("{$log}","1"); $updates++; continue; } switch ($list_cron) { case "01hour": if (pfb_update_check($header_url, $list_url, $url_format)) { $log = " Updates Found\n"; pfb_logger("{$log}","1"); unlink_if_exists($pfbfolder . '/' . $header_url . '.txt'); $updates++; } break; case "02hours": if (in_array($hour, $e_sch2)) { if (pfb_update_check($header_url, $list_url, $url_format)) { $log = " Updates Found\n"; pfb_logger("{$log}","1"); unlink_if_exists($pfbfolder . '/' . $header_url . '.txt'); $updates++; } } break; case "03hours": if (in_array($hour, $e_sch3)) { if (pfb_update_check($header_url, $list_url, $url_format)) { $log = " Updates Found\n"; pfb_logger("{$log}","1"); unlink_if_exists($pfbfolder . '/' . $header_url . '.txt'); $updates++; } } break; case "04hours": if (in_array($hour, $e_sch4)) { if (pfb_update_check($header_url, $list_url, $url_format)) { $log = " Updates Found\n"; pfb_logger("{$log}","1"); unlink_if_exists($pfbfolder . '/' . $header_url . '.txt'); $updates++; } } break; case "06hours": if (in_array($hour, $e_sch6)) { if (pfb_update_check($header_url, $list_url, $url_format)) { $log = " Updates Found\n"; pfb_logger("{$log}","1"); unlink_if_exists($pfbfolder . '/' . $header_url . '.txt'); $updates++; } } break; case "08hours": if (in_array($hour, $e_sch8)) { if (pfb_update_check($header_url, $list_url, $url_format)) { $log = " Updates Found\n"; pfb_logger("{$log}","1"); unlink_if_exists($pfbfolder . '/' . $header_url . '.txt'); $updates++; } } break; case "12hours": if (in_array($hour, $e_sch12)) { if (pfb_update_check($header_url, $list_url, $url_format)) { $log = " Updates Found\n"; pfb_logger("{$log}","1"); unlink_if_exists($pfbfolder . '/' . $header_url . '.txt'); $updates++; } } break; case "EveryDay": if ($hour == $pfb['dailystart']) { if (pfb_update_check($header_url, $list_url, $url_format)) { $log = " Updates Found\n"; pfb_logger("{$log}","1"); unlink_if_exists($pfbfolder . '/' . $header_url . '.txt'); $updates++; } } break; case "Weekly": if ($hour == $pfb['dailystart'] && $dow == $header_dow) { if (pfb_update_check($header_url, $list_url, $url_format)) { $log = " Updates Found\n"; pfb_logger("{$log}","1"); unlink_if_exists($pfbfolder . '/' . $header_url . '.txt'); $updates++; } } break; default: { } break; } } } } } } } if ($updates > 0) { sync_package_pfblockerng("cron"); } else { $log = "\n No Updates required. \n\n"; pfb_logger("{$log}","1"); } $log = " CRON PROCESS ENDED [ NOW ]\n"; pfb_logger("{$log}","1"); # Call Log Mgmt Function // If Update GUI 'Manual view' is selected. Last output will be missed. So sleep for 5 secs. sleep(5); pfb_log_mgmt(); } function pfblockerng_uc_countries() { global $g,$pfb; pfb_global(); $maxmind_cont = "{$pfb['dbdir']}/country_continent.csv"; $maxmind_cc4 = "{$pfb['dbdir']}/GeoIPCountryWhois.csv"; $maxmind_cc6 = "{$pfb['dbdir']}/GeoIPv6.csv"; # Create Folders if not Exist $folder_array = array ("{$pfb['dbdir']}","{$pfb['logdir']}","{$pfb['ccdir']}"); foreach ($folder_array as $folder) { safe_mkdir ("{$folder}",0755); } $now = date("m/d/y G:i:s", time()); $log = "Country Code Update Start - [ NOW ]\n\n"; print "Country Code Update Start - [ $now ]\n\n"; pfb_logger("{$log}","3"); if (!file_exists($maxmind_cont) || !file_exists($maxmind_cc4) || !file_exists($maxmind_cc6)) { $log = " [ MAXMIND UPDATE FAIL, CSV Missing, using Previous Country Code Database \n"; print $log; pfb_logger("{$log}","3"); return; } # Save Date/Time Stamp to MaxMind version file $maxmind_ver = "MaxMind GeoLite Date/Time Stamps \n\n"; $remote_tds = @implode(preg_grep("/Last-Modified/", get_headers("http://geolite.maxmind.com/download/geoip/database/GeoIPCountryCSV.zip"))); $maxmind_ver .= "MaxMind_v4 \t" . $remote_tds . "\n"; $local_tds = @gmdate ("D, d M Y H:i:s T", filemtime($maxmind_cc4)); $maxmind_ver .= "Local_v4 \tLast-Modified: " . $local_tds . "\n\n"; $remote_tds = @implode(preg_grep("/Last-Modified/", get_headers("http://geolite.maxmind.com/download/geoip/database/GeoIPv6.csv.gz"))); $maxmind_ver .= "MaxMind_v6 \t" . $remote_tds . "\n"; $local_tds = @gmdate ("D, d M Y H:i:s T", filemtime($maxmind_cc6)); $maxmind_ver .= "Local_v6 \tLast-Modified: " . $local_tds . "\n"; $maxmind_ver .= "\nThese Timestamps should *match* \n"; @file_put_contents("{$pfb['logdir']}/maxmind_ver", $maxmind_ver); // Collect ISO Codes for Each Continent $log = "Processing Continent Data \n"; print $log; pfb_logger("{$log}","3"); $cont_array = array ( array($AF),array($AS),array($EU),array($NA),array($OC),array($SA)); $csv = array_map('str_getcsv', @file($maxmind_cont)); if (isset($csv)) { foreach ($csv as $cc) { $cc_key = $cc[0]; $cont_key = $cc[1]; switch ($cont_key) { case "AF": $cont_array[0]['continent'] = "Africa"; $cont_array[0]['iso'] .= "{$cc_key},"; $cont_array[0]['file4'] = "{$pfb['ccdir']}/Africa_v4.txt"; $cont_array[0]['file6'] = "{$pfb['ccdir']}/Africa_v6.txt"; break; case "AS": $cont_array[1]['continent'] = "Asia"; $cont_array[1]['iso'] .= "{$cc_key},"; $cont_array[1]['file4'] = "{$pfb['ccdir']}/Asia_v4.txt"; $cont_array[1]['file6'] = "{$pfb['ccdir']}/Asia_v6.txt"; break; case "EU": $cont_array[2]['continent'] = "Europe"; $cont_array[2]['iso'] .= "{$cc_key},"; $cont_array[2]['file4'] = "{$pfb['ccdir']}/Europe_v4.txt"; $cont_array[2]['file6'] = "{$pfb['ccdir']}/Europe_v6.txt"; break; case "NA": $cont_array[3]['continent'] = "North America"; $cont_array[3]['iso'] .= "{$cc_key},"; $cont_array[3]['file4'] = "{$pfb['ccdir']}/North_America_v4.txt"; $cont_array[3]['file6'] = "{$pfb['ccdir']}/North_America_v6.txt"; break; case "OC": $cont_array[4]['continent'] = "Oceania"; $cont_array[4]['iso'] .= "{$cc_key},"; $cont_array[4]['file4'] = "{$pfb['ccdir']}/Oceania_v4.txt"; $cont_array[4]['file6'] = "{$pfb['ccdir']}/Oceania_v6.txt"; break; case "SA": $cont_array[5]['continent'] = "South America"; $cont_array[5]['iso'] .= "{$cc_key},"; $cont_array[5]['file4'] = "{$pfb['ccdir']}/South_America_v4.txt"; $cont_array[5]['file6'] = "{$pfb['ccdir']}/South_America_v6.txt"; break; } } } unset($csv); // Collect Country ISO Data IPv4 and Sort to Continent Array $log = "Processing ISO IPv4 Continent/Country Data \n"; print $log; pfb_logger("{$log}","3"); $csv2 = array_map('str_getcsv', @file($maxmind_cc4)); if (isset($csv2)) { foreach ($csv2 as $cc) { $ip1_key = $cc[0]; $ip2_key = $cc[1]; $var1_key = $cc[2]; $var2_key = $cc[3]; $cc_key = $cc[4]; $country_key = $cc[5]; $a_cidr = implode(",", ip_range_to_subnet_array_temp($cc[0],$cc[1])); $counter = 0; foreach ($cont_array as $iso) { if (preg_match("/\b$cc_key\b/", $iso['iso'])) { $cont_array[$counter][$cc_key]['ip4'] .= $a_cidr . ","; $cont_array[$counter][$cc_key]['country'] = $country_key; continue; } $counter++; } } } unset($csv2); // Build Continent IPv4 CIDR Files $counter = 0; foreach ($cont_array as $iso) { $header = ""; $pfb_file = ""; $iso_key = ""; $header .= "# Generated from MaxMind Inc. on: " . date("m/d/y G:i:s", time()) . "\n"; $header .= "# Continent IPv4: " . $cont_array[$counter]['continent'] . "\n"; $pfb_file = $cont_array[$counter]['file4']; $iso_key = array_keys($iso); foreach ($iso_key as $key) { if (preg_match("/[A-Z]{2}/", $key)) { $header .= "# Country: " . $iso[$key]['country'] . "\n"; $header .= "# ISO Code: " . $key . "\n"; $header .= "# Total Networks: " . substr_count($iso[$key]['ip4'], ",") . "\n"; $header .= str_replace(",", "\n", $iso[$key]['ip4']); $iso[$key]['ip4'] = ""; } } $counter++; @file_put_contents($pfb_file, $header, LOCK_EX); } // Collect Country ISO Data IPv6 and Sort to Continent Array $log = "Processing ISO IPv6 Continent/Country Data \n"; print $log; pfb_logger("{$log}","3"); $csv3 = array_map('str_getcsv', @file($maxmind_cc6)); if (isset($csv3)) { foreach ($csv3 as $cc) { $ip1_key = $cc[0]; $ip2_key = $cc[1]; $var1_key = $cc[2]; $var2_key = $cc[3]; $cc_key = $cc[4]; $country_key = $cc[5]; $a_cidr = implode(",", ip_range_to_subnet_array_temp($cc[0],$cc[1])); $counter = 0; foreach ($cont_array as $iso) { if (preg_match("/\b$cc_key\b/", $iso['iso'])) { $cont_array[$counter][$cc_key]['ip6'] .= $a_cidr . ","; continue; } $counter++; } } } unset ($csv3); // Build Continent IPv6 Files $counter = 0; foreach ($cont_array as $iso) { $header = ""; $pfb_file = ""; $iso_key = ""; $header .= "# Generated from MaxMind Inc. on: " . date("m/d/y G:i:s", time()) . "\n"; $header .= "# Continent IPv6: " . $cont_array[$counter]['continent'] . "\n"; $pfb_file = $cont_array[$counter]['file6']; $iso_key = array_keys($iso); foreach ($iso_key as $key) { if (preg_match("/[A-Z]{2}/", $key)) { $header .= "# Country: " . $iso[$key]['country'] . "\n"; $header .= "# ISO Code: " . $key . "\n"; $header .= "# Total Networks: " . substr_count($iso[$key]['ip6'], ",") . "\n"; $header .= str_replace(",", "\n", $iso[$key]['ip6']); $iso[$key]['ip6'] = ""; } } $counter++; @file_put_contents($pfb_file, $header, LOCK_EX); } unset($cont_array); } function pfblockerng_get_countries() { global $g,$pfb; pfb_global(); # These arrays are used to collect the '; $roptions4[] = $Country . '-' . $ISOCode . ' ('. $total4 .') ' . ' ' . $ISOCode . ''; // Save ISO IPv4 Data @file_put_contents($pfb['ccdir'] . '/' . $ISOCode . '_v4.txt',$pfb_v4,LOCK_EX); // Clear Variables and Restart Continent Collection process $total4 = 0; $pfb_v4 = ""; $pfb['complete'] = FALSE; } if (preg_match("/Country:\s(.*)/",$line, $matches)) { $Country = $matches[1];} if (preg_match("/ISO Code:\s(.*)/",$line, $matches)) { $ISOCode = $matches[1];} } elseif (!preg_match("/#/",$line)) { $total4++; if (!empty($line)) $pfb_v4 .= $line . "\n"; $pfb['complete'] = TRUE; } } unset ($ips, $convert); // Sort IPv4 Countries Alphabetically and Build XML