From 3f19613b5ebca832e8f341980278df5f8427c1ca Mon Sep 17 00:00:00 2001
From: Marius Cramer <m.cramer@pixcept.de>
Date: Wed, 03 Jun 2015 10:07:43 -0400
Subject: [PATCH] Merge branch 'stable-3.0.5' into 'stable-3.0.5'

---
 interface/lib/classes/tform.inc.php                        |   68 ++++++++++++++++++++++++++++++++-
 interface/lib/lang/en.lng                                  |    1 
 interface/web/monitor/show_sys_state.php                   |    4 +-
 interface/lib/lang/de.lng                                  |    1 
 interface/web/themes/default/templates/tabbed_form.tpl.htm |    2 +
 5 files changed, 71 insertions(+), 5 deletions(-)

diff --git a/interface/lib/classes/tform.inc.php b/interface/lib/classes/tform.inc.php
index 4522304..d0bb7d1 100644
--- a/interface/lib/classes/tform.inc.php
+++ b/interface/lib/classes/tform.inc.php
@@ -157,7 +157,6 @@
 		return true;
 	}
 
-
 	/**
 	 * Converts the data in the array to human readable format
 	 * Datatype conversion e.g. to show the data in lists
@@ -384,7 +383,31 @@
 
 		if(!is_array($this->formDef)) $app->error("No form definition found.");
 		if(!is_array($this->formDef['tabs'][$tab])) $app->error("The tab is empty or does not exist (TAB: $tab).");
-
+		
+		/* CSRF PROTECTION */
+		// generate csrf protection id and key
+		$_csrf_id = uniqid($this->formDef['name'] . '_');
+		$_csrf_value = sha1(uniqid(microtime(true), true));
+		if(!isset($_SESSION['_csrf'])) $_SESSION['_csrf'] = array();
+		if(!isset($_SESSION['_csrf_timeout'])) $_SESSION['_csrf_timeout'] = array();
+		$_SESSION['_csrf'][$_csrf_id] = $_csrf_value;
+		$_SESSION['_csrf_timeout'][$_csrf_id] = time() + 3600; // timeout hash in 1 hour
+		$this->formDef['tabs'][$tab]['fields']['_csrf_id'] = array(
+			'datatype' => 'VARCHAR',
+			'formtype' => 'TEXT',
+			'default' => $_csrf_id,
+			'value' => $_csrf_id
+		);
+		$this->formDef['tabs'][$tab]['fields']['_csrf_key'] = array(
+			'datatype' => 'VARCHAR',
+			'formtype' => 'TEXT',
+			'default' => $_csrf_value,
+			'value' => $_csrf_value
+		);
+		$record['_csrf_id'] = $_csrf_id;
+		$record['_csrf_key'] = $_csrf_value;
+		/* CSRF PROTECTION */
+		
 		$new_record = array();
 		if($action == 'EDIT') {
 			$record = $this->decode($record, $tab);
@@ -644,7 +667,46 @@
 
 		if(!is_array($this->formDef['tabs'][$tab])) $app->error("Tab is empty or does not exist (TAB: $tab).");
 		//$this->errorMessage = '';
-
+		
+		/* CSRF PROTECTION */
+		if(isset($_POST) && is_array($_POST)) {
+			$_csrf_valid = false;
+			if(isset($_POST['_csrf_id']) && isset($_POST['_csrf_key'])) {
+				$_csrf_id = trim($_POST['_csrf_id']);
+				$_csrf_key = trim($_POST['_csrf_key']);
+				if(isset($_SESSION['_csrf']) && isset($_SESSION['_csrf'][$_csrf_id]) && isset($_SESSION['_csrf_timeout']) && isset($_SESSION['_csrf_timeout'][$_csrf_id])) {
+					if($_SESSION['_csrf'][$_csrf_id] === $_csrf_key && $_SESSION['_csrf_timeout'] >= time()) $_csrf_valid = true;
+				}
+			}
+			if($_csrf_valid !== true) {
+				$app->log('CSRF attempt blocked. Referer: ' . (isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : 'unknown'), LOGLEVEL_WARN);
+				$errmsg = 'err_csrf_attempt_blocked';
+				$this->errorMessage .= ($api == true ? $errmsg : $this->wordbook[$errmsg]."<br />") . "\r\n";
+				unset($_POST);
+				unset($record);
+			}
+			$_SESSION['_csrf'][$_csrf_id] = null;
+			$_SESSION['_csrf_timeout'][$_csrf_id] = null;
+			unset($_SESSION['_csrf'][$_csrf_id]);
+			unset($_SESSION['_csrf_timeout'][$_csrf_id]);
+			
+			if(isset($_SESSION['_csrf_timeout']) && is_array($_SESSION['_csrf_timeout'])) {
+				$to_unset = array();
+				foreach($_SESSION['_csrf_timeout'] as $_csrf_id => $timeout) {
+					if($timeout < time()) $to_unset[] = $_csrf_id;
+				}
+				foreach($to_unset as $_csrf_id) {
+					$_SESSION['_csrf'][$_csrf_id] = null;
+					$_SESSION['_csrf_timeout'][$_csrf_id] = null;
+					unset($_SESSION['_csrf'][$_csrf_id]);
+					unset($_SESSION['_csrf_timeout'][$_csrf_id]);
+				}
+				unset($to_unset);
+			}
+		}
+		/* CSRF PROTECTION */
+		
+		$new_record = array();
 		if(is_array($record)) {
 			foreach($this->formDef['tabs'][$tab]['fields'] as $key => $field) {
 
diff --git a/interface/lib/lang/de.lng b/interface/lib/lang/de.lng
index 735b1da..7f510a1 100644
--- a/interface/lib/lang/de.lng
+++ b/interface/lib/lang/de.lng
@@ -42,6 +42,7 @@
 $wb['top_menu_dashboard'] = 'Übersicht';
 $wb['latest_news_txt'] = 'Neuigkeiten';
 $wb['top_menu_vm'] = 'vServer';
+$wb['err_csrf_attempt_blocked'] = 'CSRF-Versuch blockiert.';
 $wb['daynamesmin_su'] = 'So';
 $wb['daynamesmin_mo'] = 'Mo';
 $wb['daynamesmin_tu'] = 'Di';
diff --git a/interface/lib/lang/en.lng b/interface/lib/lang/en.lng
index c89c97a..5a7efef 100644
--- a/interface/lib/lang/en.lng
+++ b/interface/lib/lang/en.lng
@@ -131,6 +131,7 @@
 $wb['datalog_status_i_web_folder_user'] = 'Create folder protection user';
 $wb['datalog_status_u_web_folder_user'] = 'Update folder protection user';
 $wb['datalog_status_d_web_folder_user'] = 'Delete folder protection user';
+$wb['err_csrf_attempt_blocked'] = 'CSRF attempt blocked.';
 $wb['login_as_txt'] = 'Log in as';
 $wb["no_domain_perm"] = 'You have no permission for this domain.';
 $wb["no_destination_perm"] = 'You have no permission for this destination.';
diff --git a/interface/web/monitor/show_sys_state.php b/interface/web/monitor/show_sys_state.php
index 93d1f95..23c32fb 100644
--- a/interface/web/monitor/show_sys_state.php
+++ b/interface/web/monitor/show_sys_state.php
@@ -191,7 +191,7 @@
 	/*
      * Get all monitoring-data from the server and process then
 	*/
-	$records = $app->db->queryAllRecords("SELECT DISTINCT type, data FROM monitor_data WHERE server_id = " . $serverId);
+	$records = $app->db->queryAllRecords("SELECT DISTINCT type, data FROM monitor_data WHERE server_id = " . intval($serverId));
 	$osData = null;
 	$veInfo = null;
 	$ispcData = null;
@@ -320,7 +320,7 @@
     * state
 	*/
 	// get the State from the DB
-	$record = $app->db->queryOneRecord("SELECT state FROM monitor_data WHERE type = '" . $type . "' and server_id = " . $serverId . " order by created desc");
+	$record = $app->db->queryOneRecord("SELECT state FROM monitor_data WHERE type = '" . $app->db->quote($type) . "' and server_id = " . intval($serverId) . " order by created desc");
 
 	// change the new state to the highest state
 	/*
diff --git a/interface/web/themes/default/templates/tabbed_form.tpl.htm b/interface/web/themes/default/templates/tabbed_form.tpl.htm
index 08002d5..64f2a33 100644
--- a/interface/web/themes/default/templates/tabbed_form.tpl.htm
+++ b/interface/web/themes/default/templates/tabbed_form.tpl.htm
@@ -23,5 +23,7 @@
     <tmpl_dyninclude name="content_tpl">
 </div>
 
+<input type="hidden" name="_csrf_id" value="{tmpl_var name='_csrf_id'}" />
+<input type="hidden" name="_csrf_key" value="{tmpl_var name='_csrf_key'}" />
 <input type="hidden" name="next_tab" value="">
 <input type="hidden" name="phpsessid" value="{tmpl_var name='phpsessid'}">
\ No newline at end of file

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