From cc35718b7a40563e349761db1cb428ffb09d2ae7 Mon Sep 17 00:00:00 2001
From: Michael <mhasse@PowerBook.local>
Date: Sat, 11 Apr 2009 18:45:45 -0700
Subject: Next release

---
 config/tinydns/new_zone_wizard.xml | 29 +++++++++++++++----
 config/tinydns/tinydns.inc         | 59 ++++++++++++++++++++++++++++++++++----
 config/tinydns/tinydns_domains.xml | 38 ++++++++++++++++--------
 3 files changed, 103 insertions(+), 23 deletions(-)

diff --git a/config/tinydns/new_zone_wizard.xml b/config/tinydns/new_zone_wizard.xml
index 82d8d62b..0f75291f 100644
--- a/config/tinydns/new_zone_wizard.xml
+++ b/config/tinydns/new_zone_wizard.xml
@@ -92,7 +92,7 @@
 			<name>Mail exchanger record IP address</name>
 			<type>input</type>
 			<arraynum>1</arraynum>
-			<description>Enter the IP address of your Mail exchanger (MX) - (example: 9.10.11.12)</description>									
+			<description>Enter the IP address of your Mail exchanger (MX) - (not needed if hostname above is in a different domain)</description>									
 		</field>
 		<field>
 			<name>First A record (optional)</name>
@@ -151,12 +151,14 @@
 	<![CDATA[
 	
 		$changed = false; 
-		
+				
 		if($_POST['domainname'] and $_POST['primarynameserver']) {
 			$tmp = array();
 			$tmp['hostname'] = $_POST['domainname'];
-			$tmp['recordtype'] = "SOA";		
+			$tmp['recordtype'] = "SOA";
 			$tmp['ipaddress'] = $_POST['primarynameserver'];
+			if(!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$tmp['ipaddress']) && substr($tmp['ipaddress'],-1) != ".")
+				$tmp['ipaddress'] = $tmp['ipaddress'] . ".";				
 			$config['installedpackages']['tinydnsdomains']['config'][] = $tmp;
 			unset($tmp);
 			$changed = true; 
@@ -167,6 +169,8 @@
 			$tmp['hostname'] = $_POST['domainname'];
 			$tmp['recordtype'] = "SOA";
 			$tmp['ipaddress'] = $_POST['secondarynameserver'];
+			if(!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$tmp['ipaddress']) && substr($tmp['ipaddress'],-1) != ".")
+				$tmp['ipaddress'] = $tmp['ipaddress'] . ".";				
 			$config['installedpackages']['tinydnsdomains']['config'][] = $tmp;
 			unset($tmp);
 			$changed = true; 
@@ -202,13 +206,26 @@
 			$changed = true; 
 		}
 
-		if($_POST['mailexchangerrecordipaddress'] and $_POST['mailexchangerrecordhostname']) {
+		if($_POST['mailexchangerrecordhostname']) {
 			$tmp = array();
-			$tmp['hostname'] = $_POST['mailexchangerrecordhostname'];
+			$tmp['hostname'] = $_POST['domainname'];
 			$tmp['recordtype'] = "MX";
-			$tmp['ipaddress'] = $_POST['secondarecordipaddress'];		
+			$tmp['ipaddress'] = $_POST['mailexchangerrecordhostname'];
+			if(substr($tmp['ipaddress'],-1) != ".")
+				$tmp['ipaddress'] = $tmp['ipaddress'] . ".";				
+			$config['installedpackages']['tinydnsdomains']['config'][] = $tmp;
 			unset($tmp);
 			$changed = true;
+
+			if($_POST['mailexchangerrecordipaddress']) {
+				$tmp = array();
+				$tmp['hostname'] = $_POST['mailexchangerrecordhostname'];
+				$tmp['recordtype'] = "A";
+				$tmp['ipaddress'] = $_POST['mailexchangerrecordipaddress'];		
+				$config['installedpackages']['tinydnsdomains']['config'][] = $tmp;
+				unset($tmp);
+				$changed = true;
+			}	
 		}
 		
 		if($changed) {
diff --git a/config/tinydns/tinydns.inc b/config/tinydns/tinydns.inc
index 24de1cab..ead705e6 100644
--- a/config/tinydns/tinydns.inc
+++ b/config/tinydns/tinydns.inc
@@ -431,6 +431,7 @@ function tinydns_create_zone_file() {
 			$hostname = $domain['hostname'];
 			$ipaddress = $domain['ipaddress'];
 			$ttl = $domain['ttl'];
+			$dist = $domain['dist'];
 			/*   check record status, if it is down request
 			 *   backup server if defined.
 			 */
@@ -446,7 +447,7 @@ function tinydns_create_zone_file() {
 						log_error("tinydns_get_backup_record returned $ipaddress ");
 				}
 			}
-			$record_data = tinydns_get_rowline_data($ipaddress, $domain['recordtype'], $ttl, $hostname, $domain['rdns']);
+			$record_data = tinydns_get_rowline_data($ipaddress, $domain['recordtype'], $ttl, $hostname, $domain['rdns'], $dist);
 			if($record_data) 
 				fwrite($fd, $record_data . "\n");
 			/* process load balanced items */
@@ -588,12 +589,15 @@ function tinydns_do_xmlrpc_sync($sync_to_ip, $password) {
 
 /* 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, $rdns) {
+function tinydns_get_rowline_data($recordip, $recordtype, $ttl, $hostname, $rdns, $dist) {
 		if($ttl)
 			$ttl_string = ":{$ttl}";
 		else
 			$ttl_string = "";
+
 		switch ($recordtype) {
+
+			/* Note that some of these are simplistic versions of TinyDNS record handling.  Uber-users can always do "raw" entries...  */
 			case "SOA":
 				$record_data = ".{$hostname}::{$recordip}{$ttl_string}";
 				break;
@@ -601,7 +605,7 @@ function tinydns_get_rowline_data($recordip, $recordtype, $ttl, $hostname, $rdns
 				$record_data = "&{$hostname}:{$recordip}{$ttl_string}";
 				break;
 			case "MX":
-				$record_data = "@{$hostname}:{$recordip}::{$ttl_string}";
+				$record_data = "@{$hostname}::{$recordip}:{$dist}{$ttl_string}";
 				break;
 			case "PTR":
 				/* "^" creates "PTR" record only to allow reverse DNS */
@@ -619,9 +623,36 @@ function tinydns_get_rowline_data($recordip, $recordtype, $ttl, $hostname, $rdns
 				$record_data = "C{$hostname}:{$recordip}{$ttl_string}";
 				break;
 			case "TXT":
-				/* "'" creates "TXT" record that can be used for SPF */
-				$record_data = "'{$hostname}:{$recordip}{$ttl_string}";
+				/* "'" creates "TXT" record                                                             */
+				/* ":" creates a generic record entry, (and record code 16 below makes it a TXT record) */
+				/* Q: Why bother with generic?                                                          */
+				/* A: TinyDNS TXT records get split up every 127 chars and some clients have trouble re-assembling them.                               */
+				/* TinyDNS generic records allow up to the maximum DNS record size of 255 chars but it is a hard limit, no splitting of larger strings */
+				/* ...so try to always create the best record for the need                                                                             */
+
+				/* Initial cleanup required for TXT records in TinyDNS where we substitute Octal escape codes for certain chars*/
+				$saferecordip = str_replace(":", "\\072", $recordip);
+				$saferecordip = str_replace(" ", "\\040", $saferecordip);
+				$saferecordip = str_replace("\r", "\\015", $saferecordip);
+				$saferecordip = str_replace("\n", "\\012", $saferecordip);
+				
+				/* Logically this should be comparing against 127 and 255 but PHP has a boundary error?                 */
+				/* Boundary errors or not, 128 and 256 at least evaluate properly!!!                                    */
+				/* Also note that reclen checks against the original string and not the "safe" one we generated above.  */
+				$reclen = mb_strlen($recordip, '8bit');
+				if($reclen > 128 && $reclen <= 256) {	
+					/* TinyDNS generic records require an escaped Octal string length padded to three chars before the actual string!    */
+					/* The logic here shouldn't ever require padding but including it anyway in case somebody changes code down the road */
+					$reclen = str_pad(decoct($reclen),3,"0",STR_PAD_LEFT);
+					$record_data = ":{$hostname}:16:\\{$reclen}{$saferecordip}{$ttl_string}";
+				} else {
+					$record_data = "'{$hostname}:{$saferecordip}{$ttl_string}";
+				}	
 				break;
+			case "raw":
+				/* We don't know or care what is in a raw entry, just pass it along as-is */
+				$record_data = "{$recordip}";
+				break;				
 		}
 		return $record_data;
 }
@@ -961,4 +992,22 @@ EOD;
 	fclose($fr);
 }
 
+function tinydns_cleanup_addedit_form_record() {
+	/* Clean some things up and simplify per limited subset of TinyDNS record syntax before saving.  */
+	if((($_POST['recordtype'] == "SOA") || ($_POST['recordtype'] == "NS") || ($_POST['recordtype'] == "MX")) && substr($_POST['ipaddress'],-1) != ".")
+		$_POST['ipaddress'] = $_POST['ipaddress'] . ".";
+
+	if($_POST['recordtype'] == "TXT") {
+		/* TinyDNS provides surrounding quotes for TXT records automatically so we check & remove them here */
+		if(substr($_POST['ipaddress'],-1) == "\"")
+			$_POST['ipaddress'] = substr($_POST['ipaddress'],0,-1);		
+		if(substr($_POST['ipaddress'],0,1) == "\"")
+			$_POST['ipaddress'] = substr($_POST['ipaddress'],1);
+		if(substr($_POST['ipaddress'],0,5) == "v=spf") {
+			/* more cleanup specific to SPF records - strip newlines and carriage returns) */
+			$_POST['ipaddress'] = str_replace("\r", "", $_POST['ipaddress']);
+			$_POST['ipaddress'] = str_replace("\n", "", $_POST['ipaddress']);		
+		}
+	}
+}
 ?>
\ No newline at end of file
diff --git a/config/tinydns/tinydns_domains.xml b/config/tinydns/tinydns_domains.xml
index 3e313511..19468213 100644
--- a/config/tinydns/tinydns_domains.xml
+++ b/config/tinydns/tinydns_domains.xml
@@ -37,7 +37,7 @@
                                                                               */
 /* ========================================================================== */
         ]]>
-        </copyright>
+	</copyright>
     <description>Describe your package here</description>
     <requirements>Describe your package requirements here</requirements>
     <faq>Currently there are no FAQ items provided.</faq>
@@ -75,11 +75,11 @@
 	<configpath>installedpackages->package->tinydnsdomains</configpath>
 	<adddeleteeditpagefields>
 		<columnitem>
-			<fielddescr>Fully Qualified Domain Name (Hostname)</fielddescr>
+			<fielddescr>Record Name</fielddescr>
 			<fieldname>hostname</fieldname>
 		</columnitem>
 		<columnitem>
-			<fielddescr>Record type</fielddescr>
+			<fielddescr>Record Type</fielddescr>
 			<fieldname>recordtype</fieldname>
 		</columnitem>
 		<columnitem>
@@ -87,9 +87,13 @@
 			<fieldname>rdns</fieldname>
 		</columnitem>
 		<columnitem>
-			<fielddescr>IP Address</fielddescr>
+			<fielddescr>Record Data</fielddescr>
 			<fieldname>ipaddress</fieldname>
 		</columnitem>
+		<columnitem>
+			<fielddescr>TTL</fielddescr>
+			<fieldname>ttl</fieldname>
+		</columnitem>
 	</adddeleteeditpagefields>
 	<fields>
 		<field>
@@ -98,7 +102,7 @@
 			<fieldname>temp</fieldname>			
 		</field>		
 		<field>
-			<fielddescr>Hostname or FQDN www.exampledomain.com</fielddescr>
+			<fielddescr>Record Name (Hostname or FQDN.  E.g. www.exampledomain.com)</fielddescr>
 			<fieldname>hostname</fieldname>
 			<description>The DNS server will supply Records for the Fully Qualified Domain Name that is entered</description>
 			<type>input</type>
@@ -106,9 +110,9 @@
 			<required/>
 		</field>
 		<field>
-			<fielddescr>Record type</fielddescr>
+			<fielddescr>Record Type</fielddescr>
 			<fieldname>recordtype</fieldname>
-			<description>DNS Record types. A, PTR, MX, NS, SOA, TXT, CNAME</description>
+			<description>Supported Record types: A, PTR, MX, NS, SOA, TXT, CNAME, raw  ("raw" allows direct entry of a complete TinyDNS record in the FQDN field below)</description>
 			<type>select</type>
 			<size>1</size>
 			<required/>
@@ -121,18 +125,25 @@
 			    <option><name>PTR</name><value>PTR</value></option>
 			    <option><name>CNAME</name><value>CNAME</value></option>
 			    <option><name>TXT</name><value>TXT</value></option>
+			    <option><name>raw</name><value>raw</value></option>
 			</options>
 		</field>
 		<field>
-			<fielddescr> FQDN or IP Address</fielddescr>
+			<fielddescr>Record Data (FQDN, IP Address, or "raw" TinyDNS record)</fielddescr>
 			<fieldname>ipaddress</fieldname>
-			<description>IP Address for A Records. FQDN or Hostname for SOA, PTR, CNAME Records.  For NS Records an IP:FQDN</description>
+			<description>Use IP Address for A Records - FQDN or Hostname for SOA, PTR, CNAME Records - NS Records use colon-separated IP and FQDN, e.g. 1.2.3.4:mydomain.com</description>
 			<type>input</type>
-			<size>40</size>
+			<size>80</size>
 			<required/>
 		</field>
 		<field>
-			<fielddescr>DNS record time to live</fielddescr>
+			<fielddescr>MX priority (only used for MX records)</fielddescr>
+			<fieldname>dist</fieldname>
+			<type>input</type>
+			<size>4</size>
+		</field>				
+		<field>
+			<fielddescr>DNS record time to live (in seconds)</fielddescr>
 			<fieldname>ttl</fieldname>
 			<type>input</type>
 			<size>35</size>
@@ -212,8 +223,11 @@
 		tinydns_setup_ping_items();
 		tinydns_sync_on_changes();
 	</custom_delete_php_command>
+	<custom_php_validation_command>
+		tinydns_cleanup_addedit_form_record();
+	</custom_php_validation_command>
 	<custom_add_php_command>
-		log_error("Begin tinydns add");
+		log_error("Begin tinydns add");		
 		tinydns_create_zone_file();
 		log_error("Zone file done.");
 		tinydns_setup_ping_items();
-- 
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