preliminary inbound nntpchan support

inc/config.php

@@ -1779,6 +1779,23 @@ function($matches) {
 	// Example: Adding the pre-markup post body to the API as "com_nomarkup".
 	// $config['api']['extra_fields'] = array('body_nomarkup' => 'com_nomarkup');
 
+/*
+ * ==================
+ *  NNTPChan settings
+ * ==================
+ */
+
+	$config['nntpchan'] = array();
+
+	// Enable NNTPChan integration
+	$config['nntpchan']['enabled'] = false;
+
+	// NNTP server
+	$config['nntpchan']['server'] = "localhost:1119";
+
+	// Global dispatch array. Add your boards to it to enable them.
+	$config['nntpchan']['dispatch'] = array(); // 'overchan.test' => 'test'
+
 /*
  * ====================
  *  Other/uncategorized

install.sql

@@ -409,6 +409,25 @@ CREATE TABLE IF NOT EXISTS `board_stats` (
 
 
 
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `nntp_references`
+--
+
+CREATE TABLE `nntp_references` (
+  `board` varchar(60) NOT NULL,
+  `id` int(11) unsigned NOT NULL,
+  `message_id` varchar(255) CHARACTER SET ascii NOT NULL,
+  `message_id_digest` varchar(40) CHARACTER SET ascii NOT NULL,
+  `own` tinyint(1) NOT NULL,
+  `headers` text,
+  PRIMARY KEY (`message_id_digest`),
+  UNIQUE KEY `message_id` (`message_id`),
+  UNIQUE KEY `u_board_id` (`board`, `id`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
+
+
 /*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
 /*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
 /*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;