From 37b29231e47a0c4458dc1c15d98588f16f07e1e2 Mon Sep 17 00:00:00 2001
From: Marius Cramer <m.cramer@pixcept.de>
Date: Thu, 06 Aug 2015 03:18:44 -0400
Subject: [PATCH] - don't set password via remoting if field is empty

---
 server/lib/classes/db_mysql.inc.php |   69 +++++++++++++++++++++++-----------
 1 files changed, 47 insertions(+), 22 deletions(-)

diff --git a/server/lib/classes/db_mysql.inc.php b/server/lib/classes/db_mysql.inc.php
index 8075d1f..f11b8a2 100644
--- a/server/lib/classes/db_mysql.inc.php
+++ b/server/lib/classes/db_mysql.inc.php
@@ -36,6 +36,7 @@
 	private $_iConnId;
 
 	private $dbHost = '';  // hostname of the MySQL server
+	private $dbPort = '';  // port of the MySQL server
 	private $dbName = '';  // logical database name on that server
 	private $dbUser = '';  // database authorized user
 	private $dbPass = '';  // user's password
@@ -54,17 +55,20 @@
 	private $autoCommit = 1;    // Autocommit Transactions
 	private $currentRow;  // current row number
 	public $errorNumber = 0; // last error number
+	*/
 	public $errorMessage = ''; // last error message
+	/*
 	private $errorLocation = '';// last error location
 	private $isConnected = false; // needed to know if we have a valid mysqli object from the constructor
 	////
 	*/
 
 	// constructor
-	public function __construct($host = NULL , $user = NULL, $pass = NULL, $database = NULL) {
+	public function __construct($host = NULL , $user = NULL, $pass = NULL, $database = NULL, $port = NULL) {
 		global $app, $conf;
 
 		$this->dbHost = $host ? $host  : $conf['db_host'];
+		$this->dbPort = $port ? $port : $conf['db_port'];
 		$this->dbName = $database ? $database : $conf['db_database'];
 		$this->dbUser = $user ? $user : $conf['db_user'];
 		$this->dbPass = $pass ? $pass : $conf['db_password'];
@@ -72,13 +76,13 @@
 		$this->dbNewLink = $conf['db_new_link'];
 		$this->dbClientFlags = $conf['db_client_flags'];
 
-		$this->_iConnId = mysqli_connect($this->dbHost, $this->dbUser, $this->dbPass);
+		$this->_iConnId = mysqli_connect($this->dbHost, $this->dbUser, $this->dbPass, '', (int)$this->dbPort);
 		$try = 0;
 		while((!is_object($this->_iConnId) || mysqli_connect_error()) && $try < 5) {
 			if($try > 0) sleep(1);
 
 			$try++;
-			$this->_iConnId = mysqli_connect($this->dbHost, $this->dbUser, $this->dbPass);
+			$this->_iConnId = mysqli_connect($this->dbHost, $this->dbUser, $this->dbPass, '', (int)$this->dbPort);
 		}
 
 		if(!is_object($this->_iConnId) || mysqli_connect_error()) {
@@ -132,8 +136,10 @@
 				if($iPos2 !== false && ($iPos === false || $iPos2 <= $iPos)) {
 					$sTxt = $this->escape($sValue);
 
-					if(strpos($sTxt, '.') !== false) $sTxt = preg_replace('/^(.+)\.(.+)$/', '`$1`.`$2`', $sTxt);
-					else $sTxt = '`' . $sTxt . '`';
+					if(strpos($sTxt, '.') !== false) {
+						$sTxt = preg_replace('/^(.+)\.(.+)$/', '`$1`.`$2`', $sTxt);
+						$sTxt = str_replace('.`*`', '.*', $sTxt);
+					} else $sTxt = '`' . $sTxt . '`';
 
 					$sQuery = substr_replace($sQuery, $sTxt, $iPos2, 2);
 					$iPos2 += strlen($sTxt);
@@ -141,13 +147,17 @@
 				} else {
 					if(is_int($sValue) || is_float($sValue)) {
 						$sTxt = $sValue;
-					} elseif(is_string($sValue) && (strcmp($sValue, '#NULL#') == 0)) {
+					} elseif(is_null($sValue) || (is_string($sValue) && (strcmp($sValue, '#NULL#') == 0))) {
 						$sTxt = 'NULL';
 					} elseif(is_array($sValue)) {
-						$sTxt = '';
-						foreach($sValue as $sVal) $sTxt .= ',\'' . $this->escape($sVal) . '\'';
-						$sTxt = '(' . substr($sTxt, 1) . ')';
-						if($sTxt == '()') $sTxt = '(0)';
+						if(isset($sValue['SQL'])) {
+							$sTxt = $sValue['SQL'];
+						} else {
+							$sTxt = '';
+							foreach($sValue as $sVal) $sTxt .= ',\'' . $this->escape($sVal) . '\'';
+							$sTxt = '(' . substr($sTxt, 1) . ')';
+							if($sTxt == '()') $sTxt = '(0)';
+						}
 					} else {
 						$sTxt = '\'' . $this->escape($sValue) . '\'';
 					}
@@ -187,7 +197,7 @@
 			$try++;
 			$ok = mysqli_ping($this->_iConnId);
 			if(!$ok) {
-				if(!mysqli_connect($this->dbHost, $this->dbUser, $this->dbPass, $this->dbName)) {
+				if(!mysqli_connect($this->dbHost, $this->dbUser, $this->dbPass, $this->dbName, (int)$this->dbPort)) {
 					if($this->errorNumber == '111') {
 						// server is not available
 						if($try > 9) {
@@ -217,7 +227,7 @@
 
 		$this->_iQueryId = mysqli_query($this->_iConnId, $sQuery);
 		if (!$this->_iQueryId) {
-			$this->_sqlerror('Falsche Anfrage / Wrong Query', false, 'SQL-Query = ' . $sQuery);
+			$this->_sqlerror('Falsche Anfrage / Wrong Query', 'SQL-Query = ' . $sQuery);
 			return false;
 		}
 
@@ -437,7 +447,7 @@
 		$cur_encoding = mb_detect_encoding($sString);
 		if($cur_encoding != "UTF-8") {
 			if($cur_encoding != 'ASCII') {
-				$app->log('String ' . substr($sString, 0, 25) . '... is ' . $cur_encoding . '.', LOGLEVEL_INFO);
+				if(is_object($app) && method_exists($app, 'log')) $app->log('String ' . substr($sString, 0, 25) . '... is ' . $cur_encoding . '.', LOGLEVEL_INFO);
 				if($cur_encoding) $sString = mb_convert_encoding($sString, 'UTF-8', $cur_encoding);
 				else $sString = mb_convert_encoding($sString, 'UTF-8');
 			}
@@ -459,6 +469,7 @@
 
 		$mysql_error = (is_object($this->_iConnId) ? mysqli_error($this->_iConnId) : mysqli_connect_error());
 		$mysql_errno = (is_object($this->_iConnId) ? mysqli_errno($this->_iConnId) : mysqli_connect_errno());
+		$this->errorMessage = $mysql_error;
 
 		//$sAddMsg .= getDebugBacktrace();
 
@@ -615,20 +626,27 @@
 		if(is_array($insert_data)) {
 			$key_str = '';
 			$val_str = '';
+			$params = array($tablename);
+			$v_params = array();
 			foreach($insert_data as $key => $val) {
-				$key_str .= "`".$key ."`,";
-				$val_str .= "'".$this->escape($val)."',";
+				$key_str .= '??,';
+				$params[] = $key;
+				
+				$val_str .= '?,';
+				$v_params[] = $val;
 			}
 			$key_str = substr($key_str, 0, -1);
 			$val_str = substr($val_str, 0, -1);
 			$insert_data_str = '('.$key_str.') VALUES ('.$val_str.')';
+			$this->query("INSERT INTO ?? $insert_data_str", true, array_merge($params, $v_params));
 		} else {
+			/* TODO: deprecate this method! */
 			$insert_data_str = $insert_data;
+			$this->query("INSERT INTO ?? $insert_data_str", $tablename);
+			$app->log("deprecated use of passing values to datalogInsert() - table " . $tablename, 1);
 		}
-		/* TODO: reduce risk of insert_data_str! */
-
+		
 		$old_rec = array();
-		$this->query("INSERT INTO ?? $insert_data_str", $tablename);
 		$index_value = $this->insertID();
 		$new_rec = $this->queryOneRecord("SELECT * FROM ?? WHERE ? = ?", $tablename, $index_field, $index_value);
 		$this->datalogSave($tablename, 'INSERT', $index_field, $index_value, $old_rec, $new_rec);
@@ -643,17 +661,24 @@
 		$old_rec = $this->queryOneRecord("SELECT * FROM ?? WHERE ?? = ?", $tablename, $index_field, $index_value);
 
 		if(is_array($update_data)) {
+			$params = array($tablename);
 			$update_data_str = '';
 			foreach($update_data as $key => $val) {
-				$update_data_str .= "`".$key ."` = '".$this->escape($val)."',";
+				$update_data_str .= '?? = ?,';
+				$params[] = $key;
+				$params[] = $val;
 			}
+			$params[] = $index_field;
+			$params[] = $index_value;
 			$update_data_str = substr($update_data_str, 0, -1);
+			$this->query("UPDATE ?? SET $update_data_str WHERE ?? = ?", true, $params);
 		} else {
+			/* TODO: deprecate this method! */
 			$update_data_str = $update_data;
+			$this->query("UPDATE ?? SET $update_data_str WHERE ?? = ?", $tablename, $index_field, $index_value);
+			$app->log("deprecated use of passing values to datalogUpdate() - table " . $tablename, 1);
 		}
-		/* TODO: reduce risk of update_data_str */
 
-		$this->query("UPDATE ?? SET $update_data_str WHERE ?? = ?", $tablename, $index_field, $index_value);
 		$new_rec = $this->queryOneRecord("SELECT * FROM ?? WHERE ?? = ?", $tablename, $index_field, $index_value);
 		$this->datalogSave($tablename, 'UPDATE', $index_field, $index_value, $old_rec, $new_rec, $force_update);
 
@@ -676,7 +701,7 @@
 	public function datalogError($errormsg) {
 		global $app;
 
-		if(isset($app->modules->current_datalog_id) && $app->modules->current_datalog_id > 0) $this->query("UPDATE sys_datalog set error = '".$this->quote($errormsg)."' WHERE datalog_id = ".$app->modules->current_datalog_id);
+		if(isset($app->modules->current_datalog_id) && $app->modules->current_datalog_id > 0) $this->query("UPDATE sys_datalog set error = ? WHERE datalog_id = ?", $errormsg, $app->modules->current_datalog_id);
 
 		return true;
 	}

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