Add backend support for HE.net AAAA record updates.

Defines a new DynDNS provider 'he-net-v6' for updating AAAA entries on
dns.he.net.

2 files changed, 118 insertions, 3 deletions

diff --git a/etc/inc/dyndns.class b/etc/inc/dyndns.class
index 5ac93d4..0a2789d 100644
--- a/etc/inc/dyndns.class
+++ b/etc/inc/dyndns.class
@@ -36,8 +36,10 @@
 	 *    - _checkStatus()
 	 *    - _error()
 	 *    - _detectChange()
+	 *    - _detectChangev6()
 	 *    - _debug()
 	 *    - _checkIP()
+	 *    - _checkIPv6()
 	 * +----------------------------------------------------+
 	 *  DynDNS Dynamic - Last Tested: 12 July 2005
 	 *  DynDNS Static  - Last Tested: NEVER
@@ -74,6 +76,7 @@
 
 	class updatedns {
 		var $_cacheFile;
+		var $_cacheFilev6;
 		var $_debugFile;
 		var $_UserAgent = 'User-Agent: phpDynDNS/0.7';
 		var $_errorVerbosity = 0;
@@ -82,6 +85,7 @@
 		var $_dnsPass;
 		var $_dnsHost;
 		var $_dnsIP;
+		var $_dnsIPv6;
 		var $_dnsWildcard;
 		var $_dnsMX;
 		var $_dnsBackMX;
@@ -100,6 +104,7 @@
 		var $_dnsMaxCacheAgeDays;
 		var $_dnsDummyUpdateDone;
 		var $_forceUpdateNeeded;
+		var $_useIPv6;
 		
 		/* 
 		 * Public Constructor Function (added 12 July 05) [beta]
@@ -119,6 +124,7 @@
 			global $config, $g;
 			
 			$this->_cacheFile = "{$g['conf_path']}/dyndns_{$dnsIf}{$dnsService}" . escapeshellarg($dnsHost) . "{$dnsID}.cache";
+			$this->_cacheFilev6 = "{$g['conf_path']}/dyndns_{$dnsIf}{$dnsService}" . escapeshellarg($dnsHost) . "{$dnsID}_v6.cache";
 			$this->_debugFile = "{$g['varetc_path']}/dyndns_{$dnsIf}{$dnsService}" . escapeshellarg($dnsHost) . "{$dnsID}.debug";
 
 			$this->_dnsVerboseLog = $dnsVerboseLog;
@@ -149,6 +155,13 @@
 				if (!$dnsHost) $this->_error(5);
 			}
 			
+			switch ($dnsService) {
+			case 'he-net-v6':
+				$this->_useIPv6 = true;
+				break;
+			default:
+				$this->_useIPv6 = false;
+			}
 			$this->_dnsService = strtolower($dnsService);
 			$this->_dnsUser = $dnsUser;
 			$this->_dnsPass = $dnsPass;
@@ -161,6 +174,8 @@
 			$this->_dnsTTL = $dnsTTL;
 			$this->_if = get_failover_interface($dnsIf);
 			$this->_checkIP();
+			if($this->_useIPv6 == true)
+				 $this->_checkIPv6();
 			$this->_dnsUpdateURL = $dnsUpdateURL;
 			$this->_dnsResultMatch = $dnsResultMatch;
 			$this->_dnsRequestIf = get_failover_interface($dnsRequestIf);
@@ -180,7 +195,7 @@
 
 			$this->_debugID = rand(1000000, 9999999);
 			
-			if ($forceUpdate == false && $this->_detectChange() == false) {
+			if ($forceUpdate == false && $this->_detectChange() == false && ($this->_useIPv6 == false || $this->_detectChangev6() == false)) {
 				$this->_error(10);
 			} else {
 				switch ($this->_dnsService) {
@@ -204,6 +219,7 @@
 				case 'opendns':
 				case 'namecheap':
 				case 'he-net':
+				case 'he-net-v6':
 				case 'selfhost':
 				case 'he-net-tunnelbroker':
 				case 'route53':
@@ -480,6 +496,15 @@
 					curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4 );
 					curl_setopt($ch, CURLOPT_URL, $server . 'hostname=' . $this->_dnsHost . '&password=' . $this->_dnsPass . '&myip=' . $this->_dnsIP);
 					break;
+				case 'he-net-v6':
+					$needsIP = FALSE;
+					if ($this->_dnsVerboseLog)
+						log_error("HE.net IPv6 ({$this->_dnsHost}): DNS update() starting.");
+					$server = "https://dyn.dns.he.net/nic/update?";
+					curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
+					curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4 );
+					curl_setopt($ch, CURLOPT_URL, $server . 'hostname=' . $this->_dnsHost . '&password=' . $this->_dnsPass . '&myip=' . $this->_dnsIPv6);
+					break;
 				case 'he-net-tunnelbroker':
 					$needsIP = FALSE;
 					if ($this->_dnsVerboseLog)
@@ -912,6 +937,7 @@
 					break;
 					
 				case 'he-net':
+				case 'he-net-v6':
 					if (preg_match("/badip/i", $data)) {
 						$status = "phpDynDNS: (Error) Bad Request - The IP provided was invalid.";
 					} else if (preg_match('/nohost/i', $data)) {
@@ -1001,6 +1027,8 @@
 			if($successful_update == true) {
 				/* Write WAN IP to cache file */
 				$wan_ip = $this->_checkIP();
+				if ($this->_useIPv6 == true)
+					$wan_ipv6 = $this->_checkIPv6();
 				conf_mount_rw();
 				if ($wan_ip > 0) {
 					$currentTime = time();
@@ -1009,6 +1037,13 @@
 					@file_put_contents($this->_cacheFile, "{$wan_ip}:{$currentTime}");
 				} else
 					@unlink($this->_cacheFile);
+				if ($this->_useIPv6 == true && $wan_ipv6 > 0) {
+					$currentTime = time();
+					notify_all_remote(sprintf(gettext("DynDNS updated IPv6 Address on %s (%s) to %s"), convert_real_interface_to_friendly_descr($this->_if), $this->_if, $wan_ipv6));
+					log_error("phpDynDNS: updating cache file {$this->_cacheFilev6}: {$wan_ipv6}");
+					@file_put_contents($this->_cacheFilev6, "{$wan_ipv6}@{$currentTime}");
+				} else
+					@unlink($this->_cacheFilev6);
 				conf_mount_ro();
 			}
 			$this->status = $status;
@@ -1131,6 +1166,71 @@
 
 			return false;			
 		}
+		function _detectChangev6() {
+			global $debug;
+
+			if ($debug)
+				log_error("DynDns ({$this->_dnsHost}): _detectChangev6() starting.");
+		
+			$currentTime = time();
+
+			$wan_ipv6 = $this->_checkIPv6();
+			if ($wan_ipv6 == 0) {
+				log_error("DynDns ({$this->_dnsHost}): Current WAN IPv6 could not be determined, skipping update process.");
+				return false;
+			}
+			$log_error = "DynDns ({$this->_dnsHost}): Current WAN IPv6: {$wan_ipv6} ";
+
+			if (file_exists($this->_cacheFilev6)) {
+				$contents = file_get_contents($this->_cacheFilev6);
+				list($cacheIPv6,$cacheTime) = explode('@', $contents);
+				$this->_debug($cacheIPv6.'/'.$cacheTime);
+				$initial = false;
+				$log_error .= "Cached IPv6: {$cacheIPv6} ";
+			} else {
+				conf_mount_rw();
+				$cacheIPv6 = '::';
+				@file_put_contents($this->_cacheFilev6, "::@{$currentTime}");
+				conf_mount_ro();
+				$cacheTime = $currentTime;
+				$initial = true;
+				$log_error .= "No Cached IPv6 found.";
+			}
+			if ($this->_dnsVerboseLog)
+				log_error($log_error);
+
+			// Convert seconds = days * hr/day * min/hr * sec/min
+			$maxCacheAgeSecs = $this->_dnsMaxCacheAgeDays * 24 * 60 * 60;
+
+			$needs_updating = FALSE;
+			/* lets determine if the item needs updating */
+			if ($cacheIPv6 != $wan_ipv6) {
+				$needs_updating = true;
+				$update_reason = "DynDns: cacheIPv6 != wan_ipv6.  Updating. ";
+				$update_reason .= "Cached IPv6: {$cacheIPv6} WAN IPv6: {$wan_ipv6} ";
+			}
+			if (($currentTime - $cacheTime) > $maxCacheAgeSecs) {
+				$needs_updating = true;
+				$this->_forceUpdateNeeded = true;
+				$update_reason = "DynDns: More than " . $this->_dnsMaxCacheAgeDays . " days.  Updating. ";
+				$update_reason .= "{$currentTime} - {$cacheTime} > {$maxCacheAgeSecs} ";
+			}
+			if ($initial == true) {
+				$needs_updating = true;
+				$update_reason .= "Initial update. ";
+			}
+
+			/*   finally if we need updating then store the
+			 *   new cache value and return true
+			 */
+			if ($needs_updating == true) {
+				if ($this->_dnsVerboseLog)
+					log_error("DynDns ({$this->_dnsHost}): {$update_reason}");
+				return true;
+			}
+
+			return false;			
+		}
 
 		/*
 		 * Private Function (added 16 July 05) [beta]
@@ -1198,6 +1298,21 @@
 
 			return $ip_address;
 		}
+		function _checkIPv6() {
+			global $debug;
+
+			if ($debug)
+				log_error("DynDns ({$this->_dnsHost}): _checkIPv6() starting.");
+
+			$ipv6_address = find_interface_ipv6($this->_if);
+			if (!is_ipaddrv6($ipv6_address))
+				return 0;
+			if ($this->_dnsVerboseLog)
+				log_error("DynDns ({$this->_dnsHost}): {$ipv6_address} extracted from local system.");
+			$this->_dnsIPv6 = $ipv6_address;
+
+			return $ipv6_address;
+		}
 
 	}
 
diff --git a/etc/inc/services.inc b/etc/inc/services.inc
index e292aaf..7ed1b0a 100644
--- a/etc/inc/services.inc
+++ b/etc/inc/services.inc
@@ -38,8 +38,8 @@
 	pfSense_MODULE:	utils
 */
 
-define('DYNDNS_PROVIDER_VALUES', 'dnsomatic dyndns dyndns-static dyndns-custom dhs dyns easydns noip noip-free ods zoneedit loopia freedns dnsexit opendns namecheap he-net he-net-tunnelbroker selfhost route53 custom');
-define('DYNDNS_PROVIDER_DESCRIPTIONS', 'DNS-O-Matic,DynDNS (dynamic),DynDNS (static),DynDNS (custom),DHS,DyNS,easyDNS,No-IP,No-IP (free),ODS.org,ZoneEdit,Loopia,freeDNS,DNSexit,OpenDNS,Namecheap,HE.net,HE.net Tunnelbroker,SelfHost,Route 53,Custom');
+define('DYNDNS_PROVIDER_VALUES', 'dnsomatic dyndns dyndns-static dyndns-custom dhs dyns easydns noip noip-free ods zoneedit loopia freedns dnsexit opendns namecheap he-net he-net-v6 he-net-tunnelbroker selfhost route53 custom');
+define('DYNDNS_PROVIDER_DESCRIPTIONS', 'DNS-O-Matic,DynDNS (dynamic),DynDNS (static),DynDNS (custom),DHS,DyNS,easyDNS,No-IP,No-IP (free),ODS.org,ZoneEdit,Loopia,freeDNS,DNSexit,OpenDNS,Namecheap,HE.net,HE.net (v6),HE.net Tunnelbroker,SelfHost,Route 53,Custom');
 
 /* implement ipv6 route advertising deamon */
 function services_radvd_configure() {