services/dnydns: support Duck DNS (#43)

src/etc/inc/dyndns.class

 <?php
+
 	/*
-	 * PHP.updateDNS (pfSense version)
+	 * PHP.updateDNS (OPNsense version)
 	 *
 	 * +====================================================+
 	 *  Services Supported:
@@ -29,7 +30,8 @@
 	 *    - CloudFlare (www.cloudflare.com)
 	 *    - Eurodns (eurodns.com)
 	 *    - GratisDNS (gratisdns.dk)
-     *    - City Network (citynetwork.se)
+	 *    - City Network (citynetwork.se)
+	 *    - Duck DNS (duckdns.org)
 	 * +----------------------------------------------------+
 	 *  Requirements:
 	 *    - PHP version 4.0.2 or higher with the CURL Library and the PCRE Library
@@ -71,7 +73,8 @@
 	 *  Eurodns	   - Last Tested: 27 June 2013
 	 *  GratisDNS      - Last Tested: 15 August 2012
 	 *  OVH DynHOST	   - Last Tested: NEVER
-     *  City Network   - Last Tested: 13 November 2013
+	 *  City Network   - Last Tested: 13 November 2013
+	 *  Duck DNS       - Last Tested: 04 March 2015
 	 * +====================================================+
 	 *
 	 * @author	E.Kristensen
@@ -240,7 +243,8 @@
 				case 'eurodns':
 				case 'gratisdns':
 				case 'ovh-dynhost':
-                case 'citynetwork':
+				case 'citynetwork':
+				case 'duckdns':
 					$this->_update();
 					if($this->_dnsDummyUpdateDone == true) {
 						// If a dummy update was needed, then sleep a while and do the update again to put the proper address back.
@@ -674,6 +678,14 @@
 						$port = ":" . $this->_dnsPort;
 					curl_setopt($ch, CURLOPT_URL, $server .$port . '?hostname=' . $this->_dnsHost . '&myip=' . $this->_dnsIP);
 					break;
+				case 'duckdns':
+					$needsIP = FALSE;
+					if ($this->_dnsVerboseLog)
+						log_error("Duck DNS ({$this->_dnsHost}): DNS update() starting.");
+					$server = "https://www.duckdns.org/update";
+					curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
+					curl_setopt($ch, CURLOPT_URL, $server . '?domains=' . $this->_dnsHost . '&token=' . $this->_dnsUser);
+					break;
 				default:
 					break;
 			}
@@ -1185,6 +1197,16 @@
 					        $this->_debug($data);
 					}
 					break;
+				case 'duckdns':
+					if (preg_match('/OK/i', $data)) {
+					        $status = "phpDynDNS: (Success) IP Address Updated Successfully!";
+					        $successful_update = true;
+					} else {
+					        $status = "phpDynDNS: (Unknown Response)";
+					        log_error("phpDynDNS: PAYLOAD: {$data}");
+					        $this->_debug($data);
+					}
+					break;
 			}
 
 			if($successful_update == true) {

src/etc/inc/services.inc

@@ -1602,6 +1602,7 @@ function services_dyndns_list()
 		'dhs' => 'DHS',
 		'dnsexit' => 'DNSexit',
 		'dnsomatic' => 'DNS-O-Matic',
+		'duckdns' => 'Duck DNS',
 		'dyndns' => 'DynDNS (dynamic)',
 		'dyndns-static' => 'DynDNS (static)',
 		'dyndns-custom' => 'DynDNS (custom)',

src/www/services_dyndns_edit.php

@@ -82,18 +82,20 @@ if ($_POST) {
 	/* input validation */
 	$reqdfields = array();
 	$reqdfieldsn = array();
-	$reqdfields = array("type");
-	$reqdfieldsn = array(gettext("Service type"));
+	$reqdfields = array('type');
+	$reqdfieldsn = array(gettext('Service type'));
 	if ($pconfig['type'] != 'custom' && $pconfig['type'] != 'custom-v6') {
-		$reqdfields[] = "host";
-		$reqdfieldsn[] = gettext("Hostname");
-		$reqdfields[] = "password";
-		$reqdfieldsn[] = gettext("Password");
-		$reqdfields[] = "username";
-		$reqdfieldsn[] = gettext("Username");
-	}else{
-		$reqdfields[] = "updateurl";
-		$reqdfieldsn[] = gettext("Update URL");
+		$reqdfields[] = 'host';
+		$reqdfieldsn[] = gettext('Hostname');
+		$reqdfields[] = 'username';
+		$reqdfieldsn[] = gettext('Username');
+		if ($pconfig['type'] != 'duckdns') {
+			$reqdfields[] = 'password';
+			$reqdfieldsn[] = gettext('Password');
+		}
+	} else {
+		$reqdfields[] = 'updateurl';
+		$reqdfieldsn[] = gettext('Update URL');
 	}
 
 	do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);
@@ -363,6 +365,7 @@ include("head.inc");
 					                    <input name="username" type="text" class="formfld user" id="username" size="20" value="<?=htmlspecialchars($pconfig['username']);?>" />
 					                    <br /><?= gettext("Username is required for all types except Namecheap, FreeDNS and Custom Entries.");?>
 							    <br /><?= gettext("Route 53: Enter your Access Key ID.");?>
+							    <br /><?= gettext("Duck DNS: Enter your Token.");?>
 							    <br /><?= gettext("For Custom Entries, Username and Password represent HTTP Authentication username and passwords.");?>
 					                  </td>
 					                </tr>
@@ -373,6 +376,7 @@ include("head.inc");
 					                    <br />
 					                    <?=gettext("FreeDNS (freedns.afraid.org): Enter your \"Authentication Token\" provided by FreeDNS.");?>
 							    <br /><?= gettext("Route 53: Enter your Secret Access Key.");?>
+							    <br /><?= gettext("Duck DNS: Leave blank.");?>
 					                  </td>
 					                </tr>