From 12e3ba49d478d719d784b61da533c7c367a543ef Mon Sep 17 00:00:00 2001
From: tbrehm <t.brehm@ispconfig.org>
Date: Sat, 06 Dec 2008 11:36:11 -0500
Subject: [PATCH] Added support for internal repliaction for ispconfig multiserver setups.

---
 install/install.php                    |   48 ++++++-
 install/lib/installer_base.lib.php     |   91 +++++++++++---
 install/dist/lib/fedora.lib.php        |   12 ++
 install/dist/conf/fedora9.conf.php     |    7 +
 install/dist/conf/opensuse110.conf.php |    7 +
 server/lib/classes/modules.inc.php     |   90 +++++++++++++-
 install/dist/lib/opensuse.lib.php      |   12 ++
 install/dist/conf/debian40.conf.php    |    7 +
 server/server.php                      |    2 
 server/lib/app.inc.php                 |   18 +++
 install/dist/conf/centos52.conf.php    |    7 +
 11 files changed, 263 insertions(+), 38 deletions(-)

diff --git a/install/dist/conf/centos52.conf.php b/install/dist/conf/centos52.conf.php
index 711271d..21752c2 100644
--- a/install/dist/conf/centos52.conf.php
+++ b/install/dist/conf/centos52.conf.php
@@ -55,6 +55,13 @@
 $conf['mysql']['charset'] = 'utf8';
 $conf['mysql']['ispconfig_user'] = 'ispconfig';
 $conf['mysql']['ispconfig_password'] = md5 (uniqid (rand()));
+$conf['mysql']['master_slave_setup'] = 'n';
+$conf['mysql']['master_host'] = '';
+$conf['mysql']['master_database'] = 'dbispconfig';
+$conf['mysql']['master_admin_user'] = 'root';
+$conf['mysql']['master_admin_password'] = '';
+$conf['mysql']['master_ispconfig_user'] = '';
+$conf['mysql']['master_ispconfig_password'] = md5 (uniqid (rand()));
 
 //* Apache
 $conf['apache']['user'] = 'apache';
diff --git a/install/dist/conf/debian40.conf.php b/install/dist/conf/debian40.conf.php
index 6b3bc6d..9d69220 100644
--- a/install/dist/conf/debian40.conf.php
+++ b/install/dist/conf/debian40.conf.php
@@ -55,6 +55,13 @@
 $conf['mysql']['charset'] = 'utf8';
 $conf['mysql']['ispconfig_user'] = 'ispconfig';
 $conf['mysql']['ispconfig_password'] = md5 (uniqid (rand()));
+$conf['mysql']['master_slave_setup'] = 'n';
+$conf['mysql']['master_host'] = '';
+$conf['mysql']['master_database'] = 'dbispconfig';
+$conf['mysql']['master_admin_user'] = 'root';
+$conf['mysql']['master_admin_password'] = '';
+$conf['mysql']['master_ispconfig_user'] = '';
+$conf['mysql']['master_ispconfig_password'] = md5 (uniqid (rand()));
 
 //* Apache
 $conf['apache']['user'] = 'www-data';
diff --git a/install/dist/conf/fedora9.conf.php b/install/dist/conf/fedora9.conf.php
index 11ea2a7..275584b 100644
--- a/install/dist/conf/fedora9.conf.php
+++ b/install/dist/conf/fedora9.conf.php
@@ -55,6 +55,13 @@
 $conf['mysql']['charset'] = 'utf8';
 $conf['mysql']['ispconfig_user'] = 'ispconfig';
 $conf['mysql']['ispconfig_password'] = md5 (uniqid (rand()));
+$conf['mysql']['master_slave_setup'] = 'n';
+$conf['mysql']['master_host'] = '';
+$conf['mysql']['master_database'] = 'dbispconfig';
+$conf['mysql']['master_admin_user'] = 'root';
+$conf['mysql']['master_admin_password'] = '';
+$conf['mysql']['master_ispconfig_user'] = '';
+$conf['mysql']['master_ispconfig_password'] = md5 (uniqid (rand()));
 
 //* Apache
 $conf['apache']['user'] = 'apache';
diff --git a/install/dist/conf/opensuse110.conf.php b/install/dist/conf/opensuse110.conf.php
index 40d86b4..ddd02b2 100644
--- a/install/dist/conf/opensuse110.conf.php
+++ b/install/dist/conf/opensuse110.conf.php
@@ -55,6 +55,13 @@
 $conf['mysql']['charset'] = 'utf8';
 $conf['mysql']['ispconfig_user'] = 'ispconfig';
 $conf['mysql']['ispconfig_password'] = md5 (uniqid (rand()));
+$conf['mysql']['master_slave_setup'] = 'n';
+$conf['mysql']['master_host'] = '';
+$conf['mysql']['master_database'] = 'dbispconfig';
+$conf['mysql']['master_admin_user'] = 'root';
+$conf['mysql']['master_admin_password'] = '';
+$conf['mysql']['master_ispconfig_user'] = '';
+$conf['mysql']['master_ispconfig_password'] = md5 (uniqid (rand()));
 
 //* Apache
 $conf['apache']['user'] = 'wwwrun';
diff --git a/install/dist/lib/fedora.lib.php b/install/dist/lib/fedora.lib.php
index 112ddd5..44059a6 100644
--- a/install/dist/lib/fedora.lib.php
+++ b/install/dist/lib/fedora.lib.php
@@ -511,6 +511,12 @@
 		$content = str_replace('{mysql_server_ispconfig_password}',$conf['mysql']['ispconfig_password'], $content);
 		$content = str_replace('{mysql_server_database}', $conf['mysql']['database'], $content);
 		$content = str_replace('{mysql_server_host}', $conf['mysql']['host'], $content);
+		
+		$content = str_replace('{mysql_master_server_ispconfig_user}', $conf['mysql']['master_ispconfig_user'], $content);
+		$content = str_replace('{mysql_master_server_ispconfig_password}', $conf['mysql']['master_ispconfig_password'], $content);
+		$content = str_replace('{mysql_master_server_database}', $conf['mysql']['master_database'], $content);
+		$content = str_replace('{mysql_master_server_host}', $conf['mysql']['master_host'], $content);
+		
 		$content = str_replace('{ispconfig_log_priority}', $conf['ispconfig_log_priority'], $content);
 		wf("$install_dir/interface/lib/$configfile", $content);
 		
@@ -524,6 +530,12 @@
 		$content = str_replace('{mysql_server_ispconfig_password}', $conf['mysql']['ispconfig_password'], $content);
 		$content = str_replace('{mysql_server_database}', $conf['mysql']['database'], $content);
 		$content = str_replace('{mysql_server_host}', $conf['mysql']['host'], $content);
+		
+		$content = str_replace('{mysql_master_server_ispconfig_user}', $conf['mysql']['master_ispconfig_user'], $content);
+		$content = str_replace('{mysql_master_server_ispconfig_password}', $conf['mysql']['master_ispconfig_password'], $content);
+		$content = str_replace('{mysql_master_server_database}', $conf['mysql']['master_database'], $content);
+		$content = str_replace('{mysql_master_server_host}', $conf['mysql']['master_host'], $content);
+		
 		$content = str_replace('{server_id}', $conf['server_id'], $content);
 		$content = str_replace('{ispconfig_log_priority}', $conf['ispconfig_log_priority'], $content);
 		wf("$install_dir/server/lib/$configfile", $content);
diff --git a/install/dist/lib/opensuse.lib.php b/install/dist/lib/opensuse.lib.php
index e1e2d5e..a425921 100644
--- a/install/dist/lib/opensuse.lib.php
+++ b/install/dist/lib/opensuse.lib.php
@@ -529,6 +529,12 @@
 		$content = str_replace('{mysql_server_ispconfig_password}',$conf['mysql']['ispconfig_password'], $content);
 		$content = str_replace('{mysql_server_database}', $conf['mysql']['database'], $content);
 		$content = str_replace('{mysql_server_host}', $conf['mysql']['host'], $content);
+		
+		$content = str_replace('{mysql_master_server_ispconfig_user}', $conf['mysql']['master_ispconfig_user'], $content);
+		$content = str_replace('{mysql_master_server_ispconfig_password}', $conf['mysql']['master_ispconfig_password'], $content);
+		$content = str_replace('{mysql_master_server_database}', $conf['mysql']['master_database'], $content);
+		$content = str_replace('{mysql_master_server_host}', $conf['mysql']['master_host'], $content);
+		
 		$content = str_replace('{ispconfig_log_priority}', $conf['ispconfig_log_priority'], $content);
 		wf("$install_dir/interface/lib/$configfile", $content);
 		
@@ -542,6 +548,12 @@
 		$content = str_replace('{mysql_server_ispconfig_password}', $conf['mysql']['ispconfig_password'], $content);
 		$content = str_replace('{mysql_server_database}', $conf['mysql']['database'], $content);
 		$content = str_replace('{mysql_server_host}', $conf['mysql']['host'], $content);
+		
+		$content = str_replace('{mysql_master_server_ispconfig_user}', $conf['mysql']['master_ispconfig_user'], $content);
+		$content = str_replace('{mysql_master_server_ispconfig_password}', $conf['mysql']['master_ispconfig_password'], $content);
+		$content = str_replace('{mysql_master_server_database}', $conf['mysql']['master_database'], $content);
+		$content = str_replace('{mysql_master_server_host}', $conf['mysql']['master_host'], $content);
+		
 		$content = str_replace('{server_id}', $conf['server_id'], $content);
 		$content = str_replace('{ispconfig_log_priority}', $conf['ispconfig_log_priority'], $content);
 		wf("$install_dir/server/lib/$configfile", $content);
diff --git a/install/install.php b/install/install.php
index 0313d57..aa8acb3 100644
--- a/install/install.php
+++ b/install/install.php
@@ -93,7 +93,7 @@
 $conf['language'] = $inst->simple_query('Select language', array('en','de'), 'en');
 
 //** Select installation mode
-$install_mode = $inst->simple_query('Installation mode', array('Standard','Expert'), 'Standard');
+$install_mode = $inst->simple_query('Installation mode', array('standard','expert'), 'standard');
 
 
 //** Get the hostname
@@ -134,7 +134,7 @@
 $inst->db = new db();
 
 //** Begin with standard or expert installation
-if($install_mode == 'Standard') {
+if($install_mode == 'standard') {
 	
 	//* Create the mysql database
 	$inst->configure_database();
@@ -227,11 +227,45 @@
 	// $conf['server_id'] = $inst->free_query('Unique Numeric ID of the server','1');
 	// Server ID is an autoInc value of the mysql database now
 	
-	if(strtolower($inst->simple_query('Create a new database? (We do not want to join a existing ISPConfig server setup)',array('y','n'),'y')) == 'y') {
-		//* Create the mysql database
-		$inst->configure_database();
-		//system('/etc/init.d/mysql restart');
+	if(strtolower($inst->simple_query('Shall this server join an existing ISPConfig multiserver setup',array('y','n'),'n')) == 'y') {
+		$conf['mysql']['master_slave_setup'] = 'y';
+		
+		//** Get MySQL root credentials
+		$finished = false;
+		do {
+			$tmp_mysql_server_host = $inst->free_query('MySQL master server hostname', $conf['mysql']['master_host']);
+			$tmp_mysql_server_admin_user = $inst->free_query('MySQL master server root username', $conf['mysql']['master_admin_user']);
+			$tmp_mysql_server_admin_password = $inst->free_query('MySQL master server root password', $conf['mysql']['master_admin_password']);
+    		$tmp_mysql_server_database = $inst->free_query('MySQL master server database name', $conf['mysql']['master_database']);
+	
+			//* Initialize the MySQL server connection
+			if(@mysql_connect($tmp_mysql_server_host, $tmp_mysql_server_admin_user, $tmp_mysql_server_admin_password)) {
+				$conf['mysql']['master_host'] = $tmp_mysql_server_host;
+				$conf['mysql']['master_admin_user'] = $tmp_mysql_server_admin_user;
+				$conf['mysql']['master_admin_password'] = $tmp_mysql_server_admin_password;
+				$conf['mysql']['master_database'] = $tmp_mysql_server_database;
+				$finished = true;
+			} else {
+				swriteln($inst->lng('Unable to connect to mysql server').' '.mysql_error());
+			}
+		} while ($finished == false);
+		unset($finished);
+		
+		// initialize the connection to the master database
+		$inst->dbmaster = new db();
+		if($inst->dbmaster->linkId) $inst->dbmaster->closeConn();
+		$inst->dbmaster->dbHost = $conf['mysql']["master_host"];
+		$inst->dbmaster->dbName = $conf['mysql']["master_database"];
+		$inst->dbmaster->dbUser = $conf['mysql']["master_admin_user"];
+		$inst->dbmaster->dbPass = $conf['mysql']["master_admin_password"];
+		
+	} else {
+		// the master DB is the same then the slave DB
+		$inst->dbmaster = $inst->db;
 	}
+	
+	//* Create the mysql database
+	$inst->configure_database();
 		
 	//* Insert the Server record into the database
 	swriteln('Adding ISPConfig server record to database.');
@@ -297,7 +331,7 @@
 	}
 	
 	//** Configure Apache
-	swriteln("If this server shall run the ispconfig interface, select 'y' in the next option.");
+	swriteln("\nHint: If this server shall run the ispconfig interface, select 'y' in the next option.\n");
 	if(strtolower($inst->simple_query('Configure Apache Server',array('y','n'),'y')) == 'y') {	
 		swriteln('Configuring Apache');
 		$inst->configure_apache();
diff --git a/install/lib/installer_base.lib.php b/install/lib/installer_base.lib.php
index 9ae8f5f..c50c119 100644
--- a/install/lib/installer_base.lib.php
+++ b/install/lib/installer_base.lib.php
@@ -117,25 +117,24 @@
     {
 		global $conf;
 		
-		$cf = $conf['mysql']; // make $conf['mysql'] more accessible
 		//** Create the database
-		if(!$this->db->query('CREATE DATABASE IF NOT EXISTS '.$cf['database'].' DEFAULT CHARACTER SET '.$cf['charset'])) {
-			$this->error('Unable to create MySQL database: '.$cf['database'].'.');
+		if(!$this->db->query('CREATE DATABASE IF NOT EXISTS '.$conf['mysql']['database'].' DEFAULT CHARACTER SET '.$conf['mysql']['charset'])) {
+			$this->error('Unable to create MySQL database: '.$conf['mysql']['database'].'.');
 		}
 		
 		//* Set the database name in the DB library
-		$this->db->dbName = $cf['database'];
+		$this->db->dbName = $conf['mysql']['database'];
 		
 		//* Load the database dump into the database, if database contains no tables
 		$db_tables = $this->db->getTables();
 		if(count($db_tables) > 0) {
 			$this->error('Stopped: Database already contains some tables.');
 		} else {
-			if($cf['admin_password'] == '') {
-				caselog("mysql --default-character-set=".$cf['charset']." -h '".$cf['host']."' -u '".$cf['admin_user']."' '".$cf['database']."' < '".ISPC_INSTALL_ROOT."/install/sql/ispconfig3.sql' &> /dev/null", 
+			if($conf['mysql']['admin_password'] == '') {
+				caselog("mysql --default-character-set=".$conf['mysql']['charset']." -h '".$conf['mysql']['host']."' -u '".$conf['mysql']['admin_user']."' '".$conf['mysql']['database']."' < '".ISPC_INSTALL_ROOT."/install/sql/ispconfig3.sql' &> /dev/null", 
                         __FILE__, __LINE__, 'read in ispconfig3.sql', 'could not read in ispconfig3.sql');
 			} else {
-				caselog("mysql --default-character-set=".$cf['charset']." -h '".$cf['host']."' -u '".$cf['admin_user']."' -p'".$cf['admin_password']."' '".$cf['database']."' < '".ISPC_INSTALL_ROOT."/install/sql/ispconfig3.sql' &> /dev/null", 
+				caselog("mysql --default-character-set=".$conf['mysql']['charset']." -h '".$conf['mysql']['host']."' -u '".$conf['mysql']['admin_user']."' -p'".$conf['mysql']['admin_password']."' '".$conf['mysql']['database']."' < '".ISPC_INSTALL_ROOT."/install/sql/ispconfig3.sql' &> /dev/null", 
                         __FILE__, __LINE__, 'read in ispconfig3.sql', 'could not read in ispconfig3.sql');
 			}
 			$db_tables = $this->db->getTables();
@@ -150,40 +149,74 @@
 		
 		global $conf;
 		
-		$cf = $conf['mysql']; // make $conf['mysql'] more accessible
-		
-		if($cf['host'] == 'localhost') {
+		if($conf['mysql']['host'] == 'localhost') {
 			$from_host = 'localhost';
 		} else {
 			$from_host = $conf['hostname'];
 		}
 		
-		// Delete ISPConfig user, in case that it exists
-		$this->db->query("DELETE FROM mysql.user WHERE User = '".$cf['ispconfig_user']."' AND Host = '".$from_host."';");
-		$this->db->query("DELETE FROM mysql.db WHERE Db = '".$cf['database']."' AND Host = '".$from_host."';");
+		// Delete ISPConfig user in the local database, in case that it exists
+		$this->db->query("DELETE FROM mysql.user WHERE User = '".$conf['mysql']['ispconfig_user']."' AND Host = '".$from_host."';");
+		$this->db->query("DELETE FROM mysql.db WHERE Db = '".$conf['mysql']['database']."' AND Host = '".$from_host."';");
 		$this->db->query('FLUSH PRIVILEGES;');
 		
-		//* Create the ISPConfig database user
-        $query = 'GRANT SELECT, INSERT, UPDATE, DELETE ON '.$cf['database'].".* "
-                ."TO '".$cf['ispconfig_user']."'@'".$from_host."' "
-                ."IDENTIFIED BY '".$cf['ispconfig_password']."';";
+		//* Create the ISPConfig database user in the local database
+        $query = 'GRANT SELECT, INSERT, UPDATE, DELETE ON '.$conf['mysql']['database'].".* "
+                ."TO '".$conf['mysql']['ispconfig_user']."'@'".$from_host."' "
+                ."IDENTIFIED BY '".$conf['mysql']['ispconfig_password']."';";
 		if(!$this->db->query($query)) {
-			$this->error('Unable to create database user: '.$cf['ispconfig_user'].' Error: '.$this->db->errorMessage);
+			$this->error('Unable to create database user: '.$conf['mysql']['ispconfig_user'].' Error: '.$this->db->errorMessage);
 		}
 		
 		//* Reload database privelages
 		$this->db->query('FLUSH PRIVILEGES;');
 		
 		//* Set the database name in the DB library
-		$this->db->dbName = $cf['database'];
+		$this->db->dbName = $conf['mysql']['database'];
 		
 		$server_ini_content = rf("tpl/server.ini.master");
 		$server_ini_content = mysql_real_escape_string($server_ini_content);
 		
-		$sql = "INSERT INTO `server` (`sys_userid`, `sys_groupid`, `sys_perm_user`, `sys_perm_group`, `sys_perm_other`, `server_name`, `mail_server`, `web_server`, `dns_server`, `file_server`, `db_server`, `vserver_server`, `config`, `updated`, `active`) VALUES (1, 1, 'riud', 'riud', 'r', '".$conf['hostname']."', 1, 1, 1, 1, 1, 1, '$server_ini_content', 0, 1);";
-		$this->db->query($sql);
-		$conf['server_id'] = $this->db->insertID();
-		$conf['server_id'] = $conf['server_id'];
+		if($conf['mysql']['master_slave_setup'] == 'y') {
+			
+			//* Insert the server record in master DB
+			$sql = "INSERT INTO `server` (`sys_userid`, `sys_groupid`, `sys_perm_user`, `sys_perm_group`, `sys_perm_other`, `server_name`, `mail_server`, `web_server`, `dns_server`, `file_server`, `db_server`, `vserver_server`, `config`, `updated`, `active`) VALUES (1, 1, 'riud', 'riud', 'r', '".$conf['hostname']."', 1, 1, 1, 1, 1, 1, '$server_ini_content', 0, 1);";
+			$this->dbmaster->query($sql);
+			$conf['server_id'] = $this->dbmaster->insertID();
+			$conf['server_id'] = $conf['server_id'];
+			
+			//* Insert the same record in the local DB
+			$sql = "INSERT INTO `server` (`server_id`, `sys_userid`, `sys_groupid`, `sys_perm_user`, `sys_perm_group`, `sys_perm_other`, `server_name`, `mail_server`, `web_server`, `dns_server`, `file_server`, `db_server`, `vserver_server`, `config`, `updated`, `active`) VALUES ('".$conf['server_id']."',1, 1, 'riud', 'riud', 'r', '".$conf['hostname']."', 1, 1, 1, 1, 1, 1, '$server_ini_content', 0, 1);";
+			$this->db->query($sql);
+			
+			//* insert the ispconfig user in the remote server
+			$from_host = $conf['hostname'];
+			
+			//* username for the ispconfig user
+			$conf['mysql']['master_ispconfig_user'] = 'ispconfigserver'.$conf['server_id'];
+		
+			//* Delete ISPConfig user in the local database, in case that it exists
+			$this->dbmaster->query("DELETE FROM mysql.user WHERE User = '".$conf['mysql']['master_ispconfig_user']."' AND Host = '".$from_host."';");
+			$this->dbmaster->query("DELETE FROM mysql.db WHERE Db = '".$conf['mysql']['master_database']."' AND Host = '".$from_host."';");
+			$this->dbmaster->query('FLUSH PRIVILEGES;');
+		
+			//* Create the ISPConfig database user in the local database
+        	$query = 'GRANT SELECT, INSERT, UPDATE, DELETE ON '.$conf['mysql']['master_database'].".* "
+                	."TO '".$conf['mysql']['master_ispconfig_user']."'@'".$from_host."' "
+                	."IDENTIFIED BY '".$conf['mysql']['master_ispconfig_password']."';";
+			if(!$this->dbmaster->query($query)) {
+				$this->error('Unable to create database user in master database: '.$conf['mysql']['master_ispconfig_user'].' Error: '.$this->dbmaster->errorMessage);
+			}
+		
+		} else {
+			//* Insert the server, if its not a mster / slave setup
+			$sql = "INSERT INTO `server` (`sys_userid`, `sys_groupid`, `sys_perm_user`, `sys_perm_group`, `sys_perm_other`, `server_name`, `mail_server`, `web_server`, `dns_server`, `file_server`, `db_server`, `vserver_server`, `config`, `updated`, `active`) VALUES (1, 1, 'riud', 'riud', 'r', '".$conf['hostname']."', 1, 1, 1, 1, 1, 1, '$server_ini_content', 0, 1);";
+			$this->db->query($sql);
+			$conf['server_id'] = $this->db->insertID();
+			$conf['server_id'] = $conf['server_id'];
+		}
+		
+		
 	}
 	
 
@@ -724,6 +757,12 @@
 		$content = str_replace('{mysql_server_ispconfig_password}',$conf['mysql']['ispconfig_password'], $content);
 		$content = str_replace('{mysql_server_database}', $conf['mysql']['database'], $content);
 		$content = str_replace('{mysql_server_host}', $conf['mysql']['host'], $content);
+		
+		$content = str_replace('{mysql_master_server_ispconfig_user}', $conf['mysql']['master_ispconfig_user'], $content);
+		$content = str_replace('{mysql_master_server_ispconfig_password}', $conf['mysql']['master_ispconfig_password'], $content);
+		$content = str_replace('{mysql_master_server_database}', $conf['mysql']['master_database'], $content);
+		$content = str_replace('{mysql_master_server_host}', $conf['mysql']['master_host'], $content);
+		
 		$content = str_replace('{ispconfig_log_priority}', $conf['ispconfig_log_priority'], $content);
 		wf("$install_dir/interface/lib/$configfile", $content);
 		
@@ -737,6 +776,12 @@
 		$content = str_replace('{mysql_server_ispconfig_password}', $conf['mysql']['ispconfig_password'], $content);
 		$content = str_replace('{mysql_server_database}', $conf['mysql']['database'], $content);
 		$content = str_replace('{mysql_server_host}', $conf['mysql']['host'], $content);
+		
+		$content = str_replace('{mysql_master_server_ispconfig_user}', $conf['mysql']['master_ispconfig_user'], $content);
+		$content = str_replace('{mysql_master_server_ispconfig_password}', $conf['mysql']['master_ispconfig_password'], $content);
+		$content = str_replace('{mysql_master_server_database}', $conf['mysql']['master_database'], $content);
+		$content = str_replace('{mysql_master_server_host}', $conf['mysql']['master_host'], $content);
+		
 		$content = str_replace('{server_id}', $conf['server_id'], $content);
 		$content = str_replace('{ispconfig_log_priority}', $conf['ispconfig_log_priority'], $content);
 		wf("$install_dir/server/lib/$configfile", $content);
diff --git a/server/lib/app.inc.php b/server/lib/app.inc.php
index e0e9e74..7cf9a49 100644
--- a/server/lib/app.inc.php
+++ b/server/lib/app.inc.php
@@ -40,6 +40,24 @@
                 if($conf["start_db"] == true) {
                 	$this->load('db_'.$conf["db_type"]);
                 	$this->db = new db;
+					
+					/*
+					Initialize the connection to the master DB, 
+					if we are in a multiserver setup
+					*/
+					
+					if($conf["dbmaster_host"] != '' && $conf["dbmaster_host"] != $conf["db_host"]) {
+						$this->dbmaster = new db;
+						if($this->dbmaster->linkId) $this->dbmaster->closeConn();
+						$this->dbmaster->dbHost = $conf["dbmaster_host"];
+						$this->dbmaster->dbName = $conf["dbmaster_database"];
+						$this->dbmaster->dbUser = $conf["dbmaster_user"];
+						$this->dbmaster->dbPass = $conf["dbmaster_password"];
+					} else {
+						$this->dbmaster = $this->db;
+					}
+					
+					
                 }
 
         }
diff --git a/server/lib/classes/modules.inc.php b/server/lib/classes/modules.inc.php
index 6ad967f..95519f7 100644
--- a/server/lib/classes/modules.inc.php
+++ b/server/lib/classes/modules.inc.php
@@ -81,14 +81,90 @@
 		global $app,$conf;
 		
 		// TODO: process only new entries.
-		$sql = "SELECT * FROM sys_datalog WHERE server_id = ".$conf["server_id"]." ORDER BY datalog_id";
-		$records = $app->db->queryAllRecords($sql);
-		foreach($records as $rec) {
-			$data = unserialize(stripslashes($rec["data"]));
-			$this->raiseTableHook($rec["dbtable"],$rec["action"],$data);
-			$app->db->query("DELETE FROM sys_datalog WHERE datalog_id = ".$rec["datalog_id"]);
-			$app->log("Deleting sys_datalog ID ".$rec["datalog_id"],LOGLEVEL_DEBUG);
+		//* If its a multiserver setup
+		if($app->db->dbHost != $app->dbmaster->dbHost) {
+			$sql = "SELECT * FROM sys_datalog WHERE server_id = ".$conf["server_id"]." ORDER BY datalog_id";
+			$records = $app->dbmaster->queryAllRecords($sql);
+			foreach($records as $d) {
+				
+				$data = unserialize(stripslashes($d["data"]));
+				$replication_error = false;
+				
+				if($d["action"] == 'i') {
+					$idx = explode(":",$d["dbidx"]);
+					$tmp_sql1 = '';
+					$tmp_sql2 = '';
+					foreach($data['new'] as $fieldname => $val) {
+						$tmp_sql1 .= "$fieldname,";
+						$tmp_sql2 .= "'$val',";
+					}
+					$tmp_sql1 = substr($tmp_sql1,0,-1);
+					$tmp_sql2 = substr($tmp_sql2,0,-1);
+					//$tmp_sql1 .= "$idx[0]";
+					//$tmp_sql2 .= "$idx[1]";
+					$sql = "INSERT INTO $d[dbtable] ($tmp_sql1) VALUES ($tmp_sql2)";
+					$app->db->query($sql);
+					if($app->db->errorNumber > 0) {
+						$replication_error = true;
+						$app->log("Replication failed. Error: ".$app->db->errorMessage,LOGLEVEL_ERROR);
+					}
+					$app->log("Replicated from master: ".$sql,LOGLEVEL_DEBUG);
+				}
+			
+				if($d["action"] == 'u') {
+					$sql = "UPDATE $d[dbtable] SET ";
+					foreach($data['new'] as $fieldname => $val) {
+						$sql .= "$fieldname = '$val',";
+					}
+					$sql = substr($sql,0,-1);
+					$idx = explode(":",$d["dbidx"]);
+					$sql .= " WHERE $idx[0] = $idx[1]";
+					$app->db->query($sql);
+					if($app->db->errorNumber > 0) {
+						$replication_error = true;
+						$app->log("Replication failed. Error: ".$app->db->errorMessage,LOGLEVEL_ERROR);
+					}
+					$app->log("Replicated from master: ".$sql,LOGLEVEL_DEBUG);
+				}
+			
+				if($d["action"] == 'd') {
+					$idx = explode(":",$d["dbidx"]);
+					$sql = "DELETE FROM $d[dbtable] SET ";
+					$sql .= " WHERE $idx[0] = $idx[1]";
+					$app->db->query($sql);
+					if($app->db->errorNumber > 0) {
+						$replication_error = true;
+						$app->log("Replication failed. Error: ".$app->db->errorMessage,LOGLEVEL_ERROR);
+					}
+					$app->log("Replicated from master: ".$sql,LOGLEVEL_DEBUG);
+				}
+				
+				
+				if($replication_error == false) {
+					$this->raiseTableHook($d["dbtable"],$d["action"],$data);
+					$app->dbmaster->query("DELETE FROM sys_datalog WHERE datalog_id = ".$d["datalog_id"]);
+					$app->log("Deleting sys_datalog ID ".$d["datalog_id"],LOGLEVEL_DEBUG);
+				} else {
+					$app->log("Error in Repliction, changes were not processed.",LOGLEVEL_ERROR);
+				}
+			}
+			
+		//* if we have a single server setup
+		} else {
+			$sql = "SELECT * FROM sys_datalog WHERE server_id = ".$conf["server_id"]." ORDER BY datalog_id";
+			$records = $app->db->queryAllRecords($sql);
+			foreach($records as $rec) {
+				$data = unserialize(stripslashes($rec["data"]));
+				$this->raiseTableHook($rec["dbtable"],$rec["action"],$data);
+				$app->db->query("DELETE FROM sys_datalog WHERE datalog_id = ".$rec["datalog_id"]);
+				$app->log("Deleting sys_datalog ID ".$rec["datalog_id"],LOGLEVEL_DEBUG);
+			}
 		}
+		
+		
+		
+		
+		
 	}
 	
 	function raiseTableHook($table_name,$action,$data) {
diff --git a/server/server.php b/server/server.php
index f0eabfc..a1dd409 100644
--- a/server/server.php
+++ b/server/server.php
@@ -67,7 +67,7 @@
 */
 
 // Check if there is anything to update
-$tmp_rec = $app->db->queryOneRecord("SELECT count(server_id) as number from sys_datalog WHERE server_id = ".$conf["server_id"]);
+$tmp_rec = $app->dbmaster->queryOneRecord("SELECT count(server_id) as number from sys_datalog WHERE server_id = ".$conf["server_id"]);
 $tmp_num_records = $tmp_rec["number"];
 unset($tmp_rec);
 

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