1 files changed, 65 insertions, 9 deletions
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index c7f19b709d..b8ea80ad4a 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -175,10 +175,14 @@ function set_config_count($config_name, $increment, $is_dynamic = false)
 	switch ($db->sql_layer)
 	{
 		case 'firebird':
-		case 'postgres':
 			$sql_update = 'CAST(CAST(config_value as DECIMAL(255, 0)) + ' . (int) $increment . ' as VARCHAR(255))';
 		break;
 
+		case 'postgres':
+			// Need to cast to text first for PostgreSQL 7.x
+			$sql_update = 'CAST(CAST(config_value::text as DECIMAL(255, 0)) + ' . (int) $increment . ' as VARCHAR(255))';
+		break;
+
 		// MySQL, SQlite, mssql, mssql_odbc, oracle
 		default:
 			$sql_update = 'config_value + ' . (int) $increment;
@@ -236,8 +240,8 @@ function unique_id($extra = 'c')
 
 	if ($dss_seeded !== true && ($config['rand_seed_last_update'] < time() - rand(1,10)))
 	{
-		set_config('rand_seed', $config['rand_seed'], true);
 		set_config('rand_seed_last_update', time(), true);
+		set_config('rand_seed', $config['rand_seed'], true);
 		$dss_seeded = true;
 	}
 
@@ -512,7 +516,7 @@ function _hash_crypt_private($password, $setting, &$itoa64)
 	$output = '*';
 
 	// Check for correct hash
-	if (substr($setting, 0, 3) != '$H$')
+	if (substr($setting, 0, 3) != '$H$' && substr($setting, 0, 3) != '$P$')
 	{
 		return $output;
 	}
@@ -1698,7 +1702,7 @@ function get_unread_topics($user_id = false, $sql_extra = '', $sql_sort = '', $s
 	if ($config['load_db_lastread'] && $user->data['is_registered'])
 	{
 		// Get list of the unread topics
-		$last_mark = $user->data['user_lastmark'];
+		$last_mark = (int) $user->data['user_lastmark'];
 
 		$sql_array = array(
 			'SELECT'		=> 't.topic_id, t.topic_last_post_time, tt.mark_time as topic_mark_time, ft.mark_time as forum_mark_time',
@@ -1717,10 +1721,11 @@ function get_unread_topics($user_id = false, $sql_extra = '', $sql_sort = '', $s
 			),
 
 			'WHERE'			=> "
+				 t.topic_last_post_time > $last_mark AND
 				(
 				(tt.mark_time IS NOT NULL AND t.topic_last_post_time > tt.mark_time) OR
 				(tt.mark_time IS NULL AND ft.mark_time IS NOT NULL AND t.topic_last_post_time > ft.mark_time) OR
-				(tt.mark_time IS NULL AND ft.mark_time IS NULL AND t.topic_last_post_time > $last_mark)
+				(tt.mark_time IS NULL AND ft.mark_time IS NULL)
 				)
 				$sql_extra
 				$sql_sort",
@@ -2248,7 +2253,10 @@ function append_sid($url, $params = false, $is_amp = true, $session_id = false)
 
 /**
 * Generate board url (example: http://www.example.com/phpBB)
+*
 * @param bool $without_script_path if set to true the script path gets not appended (example: http://www.example.com)
+*
+* @return string the generated board url
 */
 function generate_board_url($without_script_path = false)
 {
@@ -2630,8 +2638,14 @@ function send_status_line($code, $message)
 	}
 	else
 	{
-		if (isset($_SERVER['HTTP_VERSION']))
+		if (!empty($_SERVER['SERVER_PROTOCOL']))
 		{
+			$version = $_SERVER['SERVER_PROTOCOL'];
+		}
+		else if (!empty($_SERVER['HTTP_VERSION']))
+		{
+			// I cannot remember where I got this from.
+			// This code path may never be reachable in reality.
 			$version = $_SERVER['HTTP_VERSION'];
 		}
 		else
@@ -3429,6 +3443,48 @@ function get_preg_expression($mode)
 }
 
 /**
+* Generate regexp for naughty words censoring
+* Depends on whether installed PHP version supports unicode properties
+*
+* @param string	$word			word template to be replaced
+* @param bool	$use_unicode	whether or not to take advantage of PCRE supporting unicode 
+*
+* @return string $preg_expr		regex to use with word censor
+*/
+function get_censor_preg_expression($word, $use_unicode = true)
+{
+	static $unicode_support = null;
+
+	// Check whether PHP version supports unicode properties
+	if (is_null($unicode_support))
+	{
+		$unicode_support = ((version_compare(PHP_VERSION, '5.1.0', '>=') || (version_compare(PHP_VERSION, '5.0.0-dev', '<=') && version_compare(PHP_VERSION, '4.4.0', '>='))) && @preg_match('/\p{L}/u', 'a') !== false) ? true : false;
+	}
+
+	// Unescape the asterisk to simplify further conversions
+	$word = str_replace('\*', '*', preg_quote($word, '#'));
+
+	if ($use_unicode && $unicode_support)
+	{
+		// Replace asterisk(s) inside the pattern, at the start and at the end of it with regexes
+		$word = preg_replace(array('#(?<=[\p{Nd}\p{L}_])\*+(?=[\p{Nd}\p{L}_])#iu', '#^\*+#', '#\*+$#'), array('([\x20]*?|[\p{Nd}\p{L}_-]*?)', '[\p{Nd}\p{L}_-]*?', '[\p{Nd}\p{L}_-]*?'), $word);
+
+		// Generate the final substitution
+		$preg_expr = '#(?<![\p{Nd}\p{L}_-])(' . $word . ')(?![\p{Nd}\p{L}_-])#iu';
+	}
+	else
+	{
+		// Replace the asterisk inside the pattern, at the start and at the end of it with regexes
+		$word = preg_replace(array('#(?<=\S)\*+(?=\S)#iu', '#^\*+#', '#\*+$#'), array('(\x20*?\S*?)', '\S*?', '\S*?'), $word);
+
+		// Generate the final substitution
+		$preg_expr = '#(?<!\S)(' . $word . ')(?!\S)#iu';
+	}
+
+	return $preg_expr;
+}
+
+/**
 * Returns the first block of the specified IPv6 address and as many additional
 * ones as specified in the length paramater.
 * If length is zero, then an empty string is returned.
@@ -3792,7 +3848,7 @@ function msg_handler($errno, $msg_text, $errfile, $errline)
 			echo '	</div>';
 			echo '	</div>';
 			echo '	<div id="page-footer">';
-			echo '		Powered by phpBB &copy; 2000, 2002, 2005, 2007 <a href="http://www.phpbb.com/">phpBB Group</a>';
+			echo '		Powered by <a href="http://www.phpbb.com/">phpBB</a> &copy; phpBB Group';
 			echo '	</div>';
 			echo '</div>';
 			echo '</body>';
@@ -4208,7 +4264,7 @@ function phpbb_http_login($param)
 	if (!is_null($username) && is_null($password) && strpos($username, 'Basic ') === 0)
 	{
 		list($username, $password) = explode(':', base64_decode(substr($username, 6)), 2);
-    }
+	}
 
 	if (!is_null($username) && !is_null($password))
 	{
@@ -4558,7 +4614,7 @@ function page_footer($run_cron = true)
 
 	// Call cron-type script
 	$call_cron = false;
-	if (!defined('IN_CRON') && $run_cron && !$config['board_disable'])
+	if (!defined('IN_CRON') && $run_cron && !$config['board_disable'] && !$user->data['is_bot'])
 	{
 		$call_cron = true;
 		$time_now = (!empty($user->time_now) && is_int($user->time_now)) ? $user->time_now : time();