diff options
Diffstat (limited to 'packages/tinydns/tinydns.inc')
| -rw-r--r-- | packages/tinydns/tinydns.inc | 269 |
1 files changed, 229 insertions, 40 deletions
diff --git a/packages/tinydns/tinydns.inc b/packages/tinydns/tinydns.inc index 4cae65d4..6636f411 100644 --- a/packages/tinydns/tinydns.inc +++ b/packages/tinydns/tinydns.inc @@ -4,6 +4,7 @@ /* tinydns.inc Copyright (C) 2006 Scott Ullrich + Parts Copyright (C) 2007 Goffredo Andreone part of pfSense All rights reserved. @@ -40,6 +41,9 @@ function tinydns_custom_php_install_command() { return; } + if($config['installedpackages']['tinydns']['config'][0]['bind2lan']) + $ip = $config['interfaces']['lan']['ipaddr']; + else $ip = $config['installedpackages']['tinydns']['config'][0]['ipaddress']; $minsegment = "10240"; @@ -132,6 +136,12 @@ function tinydns_custom_php_deinstall_command() { function tinydns_custom_php_changeip_command() { global $g, $config; conf_mount_rw(); + if($config['installedpackages']['tinydns']['config'][0]['bind2lan']) + { + $ip = $config['interfaces']['lan']['ipaddr']; +/* Does not work?? $config['installedpackages']['tinydns']['config'][0]['ipaddress'] = $ip; */ + } + else $ip = $config['installedpackages']['tinydns']['config'][0]['ipaddress']; $updatecron = $config['installedpackages']['tinydns']['config'][0]['updatecron']; /* setup daemon tools service area */ @@ -267,6 +277,43 @@ function tinydns_create_zone_file() { log_error("Could not open /service/tinydns/root/data for writing."); return; } + + /* Bind TinyDNS to LAN IP and register SOA for Forward and Reverse DNS */ + if($config['installedpackages']['tinydns']['config'][0]['bind2lan']) { + if($config['system']['hostname']['domain']) { + $dhcpdhostname = $config['system']['hostname']; + if($config['dhcpd']['lan'])$dhcpddomain = $config['system']['domain']; + $dhcpdlanip = $config['interfaces']['lan']['ipaddr']; + $dhcpdipmask = $config['interfaces']['lan']['subnet']; + $dhcpdfqdn = "{$dhcpdhostname}.{$dhcpddomain}"; + tinydns_complete_soa_record($fd, $dhcpdlanip, $dhcpdipmask, $dhcpdhostname, $dhcpddomain); + } + } + + /* Register Static IPs */ + if($config['installedpackages']['tinydns']['config'][0]['regdhcpstatic']) { + if(is_array($config['dhcpd']['lan']['staticmap'])) { + foreach($config['dhcpd']['lan']['staticmap'] as $dhcpdstatic){ + $dhcpdhostname = $dhcpdstatic['hostname']; + $dhcpdfqdn = "{$dhcpdhostname}.{$dhcpddomain}"; + $dhcpdlanip = $dhcpdstatic['ipaddr']; + $dhcpda = "={$dhcpdfqdn}:{$dhcpdlanip}"; + if($dhcpdhostname)fwrite($fd, $dhcpda . "\n"); + } + } + } + + /* Register Dynamic IPs */ + if($config['installedpackages']['tinydns']['config'][0]['regdhcp']) { + $leasesfile = "{$g['dhcpd_chroot_path']}/var/db/dhcpd.leases"; + $fl = fopen($leasesfile, "r"); + if(!$fl) { + log_error("Could not open {$leasesfile} for reading."); + return; + } + tinydns_add_active_leases($fl,$fd, $dhcpddomain); + } + if($config['installedpackages']['tinydnsdomains']) { foreach($config['installedpackages']['tinydnsdomains']['config'] as $domain) { $record_data = ""; @@ -321,46 +368,6 @@ function tinydns_create_zone_file() { conf_mount_ro(); } -/* formats data as a tinydns data row item */ -/* A full description of the data format is available at 'man tinydns-data' */ -function tinydns_get_rowline_data($recordip, $recordtype, $ttl, $hostname,$rdns) { - if($ttl) - $ttl_string = ":{$ttl}"; - else - $ttl_string = ""; - switch ($recordtype) { - case "SOA": - $record_data = ".{$hostname}::{$recordip}{$ttl_string}"; - break; - case "NS": - $record_data = "&{$hostname}:{$recordip}{$ttl_string}"; - break; - case "MX": - $record_data = "@{$hostname}:{$recordip}::{$ttl_string}"; - break; - case "PTR": - /* "^" creates "PTR" record only to allow reverse DNS */ - $record_data = "^{$hostname}:{$recordip}{$ttl_string}"; - break; - case "A": - /* "=" creates both "A" and "PTR" records to allow both forward and reverse DNS */ - if($rdns) - $record_data = "={$hostname}:{$recordip}{$ttl_string}"; - else - /* "+" creates "A" records only to allow forward DNS */ - $record_data = "+{$hostname}:{$recordip}{$ttl_string}"; - break; - case "CNAME": - $record_data = "C{$hostname}:{$recordip}{$ttl_string}"; - break; - case "TXT": - /* "'" creates "TXT" record that can be used for SPF */ - $record_data = "'{$hostname}:{$recordip}{$ttl_string}"; - break; - } - return $record_data; -} - function tinydns_do_xmlrpc_sync($sync_to_ip, $password) { global $config, $g; @@ -423,5 +430,187 @@ function tinydns_do_xmlrpc_sync($sync_to_ip, $password) { } log_error("[tinydns] tinydns_xmlrpc_sync.php is ending."); } +/* formats data as a tinydns data row item */ +/* A full description of the data format is available at 'man tinydns-data' */ +function tinydns_get_rowline_data($recordip, $recordtype, $ttl, $hostname, $rdns) { + if($ttl) + $ttl_string = ":{$ttl}"; + else + $ttl_string = ""; + switch ($recordtype) { + case "SOA": + $record_data = ".{$hostname}::{$recordip}{$ttl_string}"; + break; + case "NS": + $record_data = "&{$hostname}:{$recordip}{$ttl_string}"; + break; + case "MX": + $record_data = "@{$hostname}:{$recordip}::{$ttl_string}"; + break; + case "PTR": + /* "^" creates "PTR" record only to allow reverse DNS */ + $record_data = "^{$hostname}:{$recordip}{$ttl_string}"; + break; + case "A": + /* "=" creates both "A" and "PTR" records to allow both forward and reverse DNS */ + if($rdns) + $record_data = "={$hostname}:{$recordip}{$ttl_string}"; + else + /* "+" creates "A" records only to allow forward DNS */ + $record_data = "+{$hostname}:{$recordip}{$ttl_string}"; + break; + case "CNAME": + $record_data = "C{$hostname}:{$recordip}{$ttl_string}"; + break; + case "TXT": + /* "'" creates "TXT" record that can be used for SPF */ + $record_data = "'{$hostname}:{$recordip}{$ttl_string}"; + break; + } + return $record_data; +} +/* Returns the last IP byte and the Trimmed IP*/ +function tinydns_get_lastip_byte($ipsub){ + $len= strlen($ipsub); + $pos = strrpos($ipsub, "."); + $last_byte = ""; + if ($pos === false){ $last_byte = $ipsub; return array ($last_byte,$ipsub); } + $last_byte = substr($ipsub,$pos + 1); + $ipsub = substr($ipsub,0,$pos); + return array ($last_byte,$ipsub); +} + +/* in-add.arpa IP calculated from D.C.B.A and Mask to A.B.C.D.in-addr.arpa */ +function tinydns_get_arpa_ip($ip, $ipmask){ + $ipsub = $ip; + $arpaip = ""; + $array = tinydns_get_lastip_byte($ipsub); + $a = $array[0]; + $ipsub = $array[1]; + $array = tinydns_get_lastip_byte($ipsub); + $b = $array[0]; + $ipsub = $array[1]; + $array = tinydns_get_lastip_byte($ipsub); + $c = $array[0]; + $ipsub = $array[1]; + $array = tinydns_get_lastip_byte($ipsub); + $d = $array[0]; + $ipsub = $array[1]; + switch ($ipmask){ + case ($ipmask <= 32 AND $ipmask > 24): + $s = 32 - $ipmask; + $a >> $s; + $arpaip = "{$a}.{$b}.{$c}.{$d}.in-addr.arpa"; + break; + case ($ipmask <= 24 AND $ipmask > 16): + $s = 24 - $ipmask; + $b >> $s; + $arpaip = "{$b}.{$c}.{$d}.in-addr.arpa"; + break; + case ($ipmask <= 16 AND $ipmask > 8): + $s = 16 - $ipmask; + $c >> $s; + $arpaip = "{$c}.{$d}.in-addr.arpa"; + break; + case ($ipmask <= 8 AND $ipmask > 0): + $s = 8 - $ipmask; + $d >> $s; + $arpaip = "{$d}.in-addr.arpa"; + break; + } + return $arpaip; +} + +/* Create a Forward and a Reverse DNS (SOA, A, PTR) records for Fully Qualififed Domain Name*/ +function tinydns_complete_soa_record($fd, $ip, $ipmask, $nsname, $domain){ + $fqdn = "{$nsname}.{$domain}"; + $rip = tinydns_get_arpa_ip($ip, $ipmask); + $soa = ".{$domain}::{$fqdn}"; + $rsoa = ".{$rip}::{$fqdn}"; + $a = "={$fqdn}:{$ip}"; + if($fqdn)fwrite($fd, $soa . "\n"); + if($rip)fwrite($fd, $rsoa . "\n"); + if($nsname)fwrite($fd, $a . "\n"); +} +/* Search for active leases in the dhcpd.leases file and add them to tinyDNS */ +function tinydns_add_active_leases($fl,$fd, $leasedomain){ + $i = 0; + $lip = strlen("lease") + 1; + $lis = strlen("binding state active"); + $lic = strlen("client-hostname"); + while (!feof($fl)) { + $leases = fgets($fl, 4096); + $discard = ($leases[0] == "#") OR ($leases[0] == "\n"); + if(!$discard){ + if($leaseip == ""){ + if ($leaseip = strstr($leases,"lease")){ + $leaseip = substr($leaseip,$lip,strpos($leases,"{") - $lip - 1); + } + } + elseif($leasestatus == FALSE){ + if (stristr($leases,"binding state active")){ + $leasestatus = TRUE; + } + } + elseif($leasestatus == TRUE AND $leasehostname == ""){ + if($leasehostname = stristr($leases,"client-hostname")){ + $qstrt = strpos($leasehostname,'"') + 1; + $qlen = strrpos($leasehostname,'"') - $qstrt; + $leasehostname = substr($leasehostname,$qstrt,$qlen); + } + } + if($leases[0] == "}"){ + $leasefqdn = "{$leasehostname}.{$leasedomain}"; + $leasea = "={$leasefqdn}:{$leaseip}"; + if($leasehostname AND $leasestatus)fwrite($fd, $leasea . "\n"); + $leaseip = ""; + $leasehostname = ""; + $leasestatus = FALSE; + } + $i = $i + 1; + } + } + fclose($fl); + $leaselines = $i; +} +function tinydns_get_dns_record_type($tinydnsrecord){ + $rtype = ""; $rtyte2 = ""; $rdns = ""; + switch ($tinydnsrecord) { + case($tinydnsrecord[0] == "."): + $rtype = "SOA"; + $rtype2 = "NS"; + break; + case($tinydnsrecord[0] == "="): + $rtype = "A"; + $rtype2 = "PTR"; + $rdns = "on"; + break; + case($tinydnsrecord[0] == "+"): + $rtype = "A"; + break; + case($tinydnsrecord[0] == "@"): + $rtype = "MX"; + break; + case($tinydnsrecord[0] == "^"): + $rtype = "PTR"; + $rdns = "on"; + break; + case($tinydnsrecord[0] == "&"): + $rtype = "NS"; + break; + case($tinydnsrecord[0] == "'"): + $rtype = "TXT"; + break; + case($tinydnsrecord[0] == "C"): + $rtype = "CNAME"; + break; + case($tinydnsrecord[0] == "Z"): + $rtype = "SOA"; + break; + default: + $rtype = ""; + } + return array ($rtype, $rtype2, $rdns); +} ?>
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