Merge branch 'release/3.1.44' into support/3.1

* fix(math): fix equation regexp

Fixes #702.

.gitattributes

@@ -12,7 +12,6 @@
 /.gitattributes export-ignore
 /.gitignore export-ignore
 /.travis.yml export-ignore
-/error_reporting.ini export-ignore
 /make-release.sh export-ignore
 /phpunit.sh export-ignore
 /phpunit.xml export-ignore

.travis.yml

@@ -1,38 +1,39 @@
 language: php
+os: linux
+dist: xenial
 
-sudo: false
+install:
+  - travis_retry composer install
 
-dist: trusty
-
-matrix:
+jobs:
   include:
-   - php: 5.3 # Composer requires PHP 5.3.2+ to run, so we cannot test below 5.3
+   - php: 5.3 # Composer and PHPUnit require PHP 5.3.2+ to run, so we cannot test below 5.3
      dist: precise # PHP 5.3 is supported only on Precise.
    - php: 5.4
+     dist: trusty  # PHP 5.4 is supported only on Trusty.
    - php: 5.5
+     dist: trusty  # PHP 5.5 is supported only on Trusty.
    - php: 5.6
    - php: 7.0
    - php: 7.1
    - php: 7.2
    - php: 7.3
    - php: 7.4
-#   - php: nightly # PHP nightly build testing disabled because PHPUnit doesn't support PHP8 yet.
+   - php: nightly
+     install: travis_retry composer config platform.php 7.4.0 && composer install
   fast_finish: true
   allow_failures:
-   - php: nightly
+   - php: nightly # PHP 8 is still in beta
 
 services:
   - memcached
   - mysql
 
 before_script:
-    - mysql -e "create database IF NOT EXISTS test;" -uroot
+  - mysql -e "create database IF NOT EXISTS test;" -uroot
 
 before_install:
-    - phpenv config-rm xdebug.ini || return 0
-
-install:
-    - travis_retry composer install
+  - phpenv config-rm xdebug.ini || return 0
 
 script:
-   - ./phpunit.sh
+  - ./phpunit.sh

CHANGELOG.md

@@ -6,11 +6,56 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-### Changed
-- Travis unit tests now run for all php versions >= 5.3
+## [3.1.44] - 2022-01-18
 
 ### Fixed
-- PHP5.3 compatability fixes
+- Fixed illegal characters bug in math function security check [#702](https://github.com/smarty-php/smarty/issues/702)
+
+## [3.1.43] - 2022-01-10
+
+### Security
+- Prevent evasion of the `static_classes` security policy. This addresses CVE-2021-21408
+
+## [3.1.42] - 2022-01-10
+
+### Security
+- Prevent arbitrary PHP code execution through maliciously crafted expression for the math function. This addresses CVE-2021-29454
+
+## [3.1.41] - 2022-01-09
+
+### Security
+- Rewrote the mailto function to not use `eval` when encoding with javascript
+
+## [3.1.40] - 2021-10-13
+
+### Changed
+- modifier escape now triggers a E_USER_NOTICE when an unsupported escape type is used https://github.com/smarty-php/smarty/pull/649
+
+### Security
+- More advanced javascript escaping to handle https://html.spec.whatwg.org/multipage/scripting.html#restrictions-for-contents-of-script-elements thanks to m-haritonov
+
+## [3.1.39] - 2021-02-17
+
+### Security
+- Prevent access to `$smarty.template_object` in sandbox mode. This addresses CVE-2021-26119.
+- Fixed code injection vulnerability by using illegal function names in `{function name='blah'}{/function}`. This addresses CVE-2021-26120.
+
+## [3.1.38] - 2021-01-08
+
+### Fixed
+- Smarty::SMARTY_VERSION wasn't updated https://github.com/smarty-php/smarty/issues/628
+
+## [3.1.37] - 2021-01-07
+
+### Changed
+- Changed error handlers and handling of undefined constants for php8-compatibility (set $errcontext argument optional) https://github.com/smarty-php/smarty/issues/605
+- Changed expected error levels in unit tests for php8-compatibility
+- Travis unit tests now run for all php versions >= 5.3, including php8
+- Travis runs on Xenial where possible
+
+### Fixed
+- PHP5.3 compatibility fixes
+- Brought lexer source functionally up-to-date with compiled version
 
 ## [3.1.36] - 2020-04-14
 

LICENSE

@@ -3,7 +3,7 @@ Smarty: the PHP compiling template engine
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
+ version 3.0 of the License, or (at your option) any later version.
 
  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of

README.md

@@ -18,7 +18,7 @@ Smarty can be run with PHP 5.2 to PHP 7.4.
 
 > Read the NEW_FEATURES and INHERITANCE_RELEASE_NOTES file for recent extensions to Smarty 3.1 functionality
 
-Smarty versions 3.1.11 or later are now on github and can be installed with Composer.
+Smarty versions 3.1.11 or later are now on GitHub and can be installed with Composer.
 
 
 The "smarty/smarty" package will start at libs/....   subfolder.

SECURITY.md

@@ -0,0 +1,19 @@
+# Security Policy
+
+## Supported Versions
+
+Smarty currently supports the latest minor version of Smarty 3 and Smarty 4. (Smarty 4 has not been released yet.)
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 4.0.x   | :white_check_mark: |
+| 3.1.x   | :white_check_mark: |
+| < 3.1   | :x:                |
+
+## Reporting a Vulnerability
+
+ If you have discovered a security issue with Smarty, please contact us at mail [at] simonwisselink.nl. Do not 
+ disclose your findings publicly and PLEASE PLEASE do not file an Issue.
+ 
+We will try to confirm the vulnerability and develop a fix if appropriate. When we release the fix, we will publish 
+a security release. Please let us know if you want to be credited.

composer.json

@@ -40,7 +40,7 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "6.4.1 || ^5.7 || ^4.8",
+        "phpunit/phpunit": "^7.5 || ^6.5 || ^5.7 || ^4.8",
         "smarty/smarty-lexer": "^3.1"
     }
 }

error_reporting.ini

@@ -1 +0,0 @@
-error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT

lexer/smarty_internal_templateparser.y

@@ -249,7 +249,13 @@ template       ::= template PHP(B). {
 
                       // template text
 template       ::= template  TEXT(B). {
-         $this->current_buffer->append_subtree($this, $this->compiler->processText(B));
+         $text = $this->yystack[ $this->yyidx + 0 ]->minor;
+
+         if ((string)$text == '') {
+            $this->current_buffer->append_subtree($this, null);
+         }
+
+         $this->current_buffer->append_subtree($this, new Smarty_Internal_ParseTree_Text($text, $this->strip));
 }
                       // strip on
 template       ::= template  STRIPON. {
@@ -308,7 +314,7 @@ smartytag(A)::= SIMPLETAG(B). {
     $tag = trim(substr(B, $this->compiler->getLdelLength(), -$this->compiler->getRdelLength()));
     if ($tag == 'strip') {
         $this->strip = true;
-        A = null;;
+        A = null;
     } else {
         if (defined($tag)) {
             if ($this->security) {
@@ -752,6 +758,9 @@ value(res)       ::= doublequoted_with_quotes(s). {
 
 
 value(res)    ::= varindexed(vi) DOUBLECOLON static_class_access(r). {
+    if ($this->security && $this->security->static_classes !== array()) {
+        $this->compiler->trigger_template_error('dynamic static class not allowed by security setting');
+    }
     $prefixVar = $this->compiler->getNewPrefixVariable();
     if (vi['var'] === '\'smarty\'') {
         $this->compiler->appendPrefixCode("<?php {$prefixVar} = ". $this->compiler->compileTag('private_special_variable',array(),vi['smarty_internal_index']).';?>');

libs/Smarty.class.php

@@ -6,7 +6,7 @@
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
+ * version 3.0 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -27,7 +27,6 @@
  * @author    Uwe Tews   <uwe dot tews at gmail dot com>
  * @author    Rodney Rehm
  * @package   Smarty
- * @version   3.1.34-dev
  */
 /**
  * set SMARTY_DIR to absolute path to Smarty library files.
@@ -112,7 +111,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '3.1.36';
+    const SMARTY_VERSION = '3.1.44';
     /**
      * define variable scopes
      */

libs/SmartyBC.class.php

@@ -6,7 +6,7 @@
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
+ * version 3.0 of the License, or (at your option) any later version.
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

libs/plugins/function.mailto.php

@@ -94,22 +94,19 @@ function smarty_function_mailto($params)
         );
         return;
     }
-    // FIXME: (rodneyrehm) document.write() excues me what? 1998 has passed!
     if ($encode === 'javascript') {
-        $string = 'document.write(\'<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>\');';
+	    $string = '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
         $js_encode = '';
         for ($x = 0, $_length = strlen($string); $x < $_length; $x++) {
             $js_encode .= '%' . bin2hex($string[ $x ]);
         }
-        return '<script type="text/javascript">eval(unescape(\'' . $js_encode . '\'))</script>';
+        return '<script type="text/javascript">document.write(unescape(\'' . $js_encode . '\'))</script>';
     } elseif ($encode === 'javascript_charcode') {
         $string = '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
-        for ($x = 0, $y = strlen($string); $x < $y; $x++) {
+        for ($x = 0, $_length = strlen($string); $x < $_length; $x++) {
             $ord[] = ord($string[ $x ]);
         }
-        $_ret = "<script type=\"text/javascript\" language=\"javascript\">\n" . "{document.write(String.fromCharCode(" .
-                implode(',', $ord) . "))" . "}\n" . "</script>\n";
-        return $_ret;
+	    return '<script type="text/javascript">document.write(String.fromCharCode(' . implode(',', $ord) . '))</script>';
     } elseif ($encode === 'hex') {
         preg_match('!^(.*)(\?.*)$!', $address, $match);
         if (!empty($match[ 2 ])) {

libs/plugins/function.math.php

@@ -28,7 +28,12 @@ function smarty_function_math($params, $template)
             'int'   => true,
             'abs'   => true,
             'ceil'  => true,
+            'acos'   => true,
+            'acosh'   => true,
             'cos'   => true,
+            'cosh'   => true,
+            'deg2rad'   => true,
+            'rad2deg'   => true,
             'exp'   => true,
             'floor' => true,
             'log'   => true,
@@ -39,27 +44,51 @@ function smarty_function_math($params, $template)
             'pow'   => true,
             'rand'  => true,
             'round' => true,
+            'asin'   => true,
+            'asinh'   => true,
             'sin'   => true,
+            'sinh'   => true,
             'sqrt'  => true,
             'srand' => true,
-            'tan'   => true
+            'atan'   => true,
+            'atanh'   => true,
+            'tan'   => true,
+            'tanh'   => true
         );
+
     // be sure equation parameter is present
     if (empty($params[ 'equation' ])) {
         trigger_error("math: missing equation parameter", E_USER_WARNING);
         return;
     }
     $equation = $params[ 'equation' ];
+
+    // Remove whitespaces
+    $equation = preg_replace('/\s+/', '', $equation);
+
+    // Adapted from https://www.php.net/manual/en/function.eval.php#107377
+    $number = '(?:\d+(?:[,.]\d+)?|pi|π)'; // What is a number
+    $functionsOrVars = '((?:0x[a-fA-F0-9]+)|([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*))';
+    $operators = '[+\/*\^%-]'; // Allowed math operators
+    $regexp = '/^(('.$number.'|'.$functionsOrVars.'|('.$functionsOrVars.'\s*\((?1)+\)|\((?1)+\)))(?:'.$operators.'(?1))?)+$/';
+
+    if (!preg_match($regexp, $equation)) {
+        trigger_error("math: illegal characters", E_USER_WARNING);
+        return;
+    }
+
     // make sure parenthesis are balanced
     if (substr_count($equation, '(') !== substr_count($equation, ')')) {
         trigger_error("math: unbalanced parenthesis", E_USER_WARNING);
         return;
     }
+
     // disallow backticks
     if (strpos($equation, '`') !== false) {
         trigger_error("math: backtick character not allowed in equation", E_USER_WARNING);
         return;
     }
+
     // also disallow dollar signs
     if (strpos($equation, '$') !== false) {
         trigger_error("math: dollar signs not allowed in equation", E_USER_WARNING);
@@ -96,6 +125,7 @@ function smarty_function_math($params, $template)
     }
     $smarty_math_result = null;
     eval("\$smarty_math_result = " . $equation . ";");
+
     if (empty($params[ 'format' ])) {
         if (empty($params[ 'assign' ])) {
             return $smarty_math_result;

libs/plugins/modifier.escape.php

@@ -184,7 +184,11 @@ function smarty_modifier_escape($string, $esc_type = 'html', $char_set = null, $
                     '"'  => '\\"',
                     "\r" => '\\r',
                     "\n" => '\\n',
-                    '</' => '<\/'
+                    '</' => '<\/',
+                    // see https://html.spec.whatwg.org/multipage/scripting.html#restrictions-for-contents-of-script-elements
+                    '<!--' => '<\!--',
+                    '<s'   => '<\s',
+                    '<S'   => '<\S'
                 )
             );
         case 'mail':
@@ -250,6 +254,7 @@ function smarty_modifier_escape($string, $esc_type = 'html', $char_set = null, $
             }
             return $return;
         default:
+            trigger_error("escape: unsupported type: $esc_type - returning unmodified string", E_USER_NOTICE);
             return $string;
     }
 }

libs/plugins/modifiercompiler.escape.php

@@ -89,9 +89,10 @@ function smarty_modifiercompiler_escape($params, Smarty_Internal_TemplateCompile
                 return 'preg_replace("%(?<!\\\\\\\\)\'%", "\\\'",' . $params[ 0 ] . ')';
             case 'javascript':
                 // escape quotes and backslashes, newlines, etc.
+                // see https://html.spec.whatwg.org/multipage/scripting.html#restrictions-for-contents-of-script-elements
                 return 'strtr(' .
                        $params[ 0 ] .
-                       ', array("\\\\" => "\\\\\\\\", "\'" => "\\\\\'", "\"" => "\\\\\"", "\\r" => "\\\\r", "\\n" => "\\\n", "</" => "<\/" ))';
+                       ', array("\\\\" => "\\\\\\\\", "\'" => "\\\\\'", "\"" => "\\\\\"", "\\r" => "\\\\r", "\\n" => "\\\n", "</" => "<\/", "<!--" => "<\!--", "<s" => "<\s", "<S" => "<\S" ))';
         }
     } catch (SmartyException $e) {
         // pass through to regular plugin fallback

libs/sysplugins/smarty_internal_compile_function.php

@@ -58,6 +58,11 @@ class Smarty_Internal_Compile_Function extends Smarty_Internal_CompileBase
         }
         unset($_attr[ 'nocache' ]);
         $_name = trim($_attr[ 'name' ], '\'"');
+
+        if (!preg_match('/^[a-zA-Z0-9_\x80-\xff]+$/', $_name)) {
+	        $compiler->trigger_template_error("Function name contains invalid characters: {$_name}", null, true);
+        }
+
         $compiler->parent_compiler->tpl_function[ $_name ] = array();
         $save = array(
             $_attr, $compiler->parser->current_buffer, $compiler->template->compiled->has_nocache_code,

libs/sysplugins/smarty_internal_compile_private_special_variable.php

@@ -81,6 +81,10 @@ class Smarty_Internal_Compile_Private_Special_Variable extends Smarty_Internal_C
                 case 'template':
                     return 'basename($_smarty_tpl->source->filepath)';
                 case 'template_object':
+                    if (isset($compiler->smarty->security_policy)) {
+                        $compiler->trigger_template_error("(secure mode) template_object not permitted");
+                        break;
+                    }
                     return '$_smarty_tpl';
                 case 'current_dir':
                     return 'dirname($_smarty_tpl->source->filepath)';
@@ -94,9 +98,9 @@ class Smarty_Internal_Compile_Private_Special_Variable extends Smarty_Internal_C
                         break;
                     }
                     if (strpos($_index[ 1 ], '$') === false && strpos($_index[ 1 ], '\'') === false) {
-                        return "@constant('{$_index[1]}')";
+                        return "(defined('{$_index[1]}') ? constant('{$_index[1]}') : null)";
                     } else {
-                        return "@constant({$_index[1]})";
+                        return "(defined({$_index[1]}) ? constant({$_index[1]}) : null)";
                     }
                 // no break
                 case 'config':

libs/sysplugins/smarty_internal_config_file_compiler.php

@@ -115,7 +115,7 @@ class Smarty_Internal_Config_File_Compiler
             $this->smarty->_debug->start_compile($this->template);
         }
         // init the lexer/parser to compile the config file
-        /* @var Smarty_Internal_ConfigFileLexer $this ->lex */
+        /* @var Smarty_Internal_ConfigFileLexer $this->lex */
         $this->lex = new $this->lexer_class(
             str_replace(
                 array(
@@ -127,7 +127,7 @@ class Smarty_Internal_Config_File_Compiler
             ) . "\n",
             $this
         );
-        /* @var Smarty_Internal_ConfigFileParser $this ->parser */
+        /* @var Smarty_Internal_ConfigFileParser $this->parser */
         $this->parser = new $this->parser_class($this->lex, $this);
         if (function_exists('mb_internal_encoding')
             && function_exists('ini_get')

libs/sysplugins/smarty_internal_errorhandler.php

@@ -65,7 +65,7 @@ class Smarty_Internal_ErrorHandler
      *
      * @return bool
      */
-    public static function mutingErrorHandler($errno, $errstr, $errfile, $errline, $errcontext)
+    public static function mutingErrorHandler($errno, $errstr, $errfile, $errline, $errcontext = array())
     {
         $_is_muted_directory = false;
         // add the SMARTY_DIR to the list of muted directories

libs/sysplugins/smarty_internal_templateparser.php

@@ -2837,6 +2837,10 @@ class Smarty_Internal_Templateparser
     // line 765 "../smarty/lexer/smarty_internal_templateparser.y"
     public function yy_r95()
     {
+        if ($this->security && $this->security->static_classes !== array()) {
+            $this->compiler->trigger_template_error('dynamic static class not allowed by security setting');
+        }
+
         $prefixVar = $this->compiler->getNewPrefixVariable();
         if ($this->yystack[ $this->yyidx + -2 ]->minor[ 'var' ] === '\'smarty\'') {
             $this->compiler->appendPrefixCode("<?php {$prefixVar} = " .

make-release.sh

@@ -1,6 +1,11 @@
 #!/bin/bash
 
-printf 'Creating release %s\n' "$1"
+if [[ "$1" =~ ^3\.[0-9\.-rc]+$ ]]; then
+   printf 'Creating release %s\n' "$1"
+else
+   echo "Invalid version number: $1. This script can only make v3.x.x releases."
+   exit 1;
+fi
 
 git checkout -b "release/$1"
 sed -i "s/## \\[Unreleased\\]/## \\[Unreleased\\]\\n\\n## \\[$1\\] - $(date +%Y-%m-%d)/" CHANGELOG.md
@@ -9,11 +14,13 @@ sed -i "s/const SMARTY_VERSION = '[^']\+';/const SMARTY_VERSION = '$1';/" libs/S
 git add CHANGELOG.md libs/Smarty.class.php
 git commit -m "version bump"
 
-git checkout master
+git checkout support/3.1
 git pull
 git merge --no-ff "release/$1"
 git branch -d "release/$1"
 git tag -a "v$1" -m "Release $1"
-git push --follow-tags
 
 printf 'Done creating release %s\n' "$1"
+
+# shellcheck disable=SC2016
+printf 'Run `git push --follow-tags origin` to publish it.\n'

tests/Bootstrap.php

@@ -16,7 +16,6 @@ if (!class_exists('\PHPUnit_Framework_TestCase') && class_exists('\PHPUnit\Frame
     class_alias('\PHPUnit\Framework\Error\Error', '\PHPUnit_Framework_Error_Error');
     class_alias('\PHPUnit\Framework\Error\Warning', '\PHPUnit_Framework_Error_Warning');
     class_alias('\PHPUnit\Framework\Error\Warning', '\PHPUnit_Framework_Error_Deprecated');
-    class_alias('\PHPUnit\Util\Configuration', '\PHPUnit_Util_Configuration');
 }
 
 require_once 'PHPUnit_Smarty.php';

tests/UnitTests/A_2/UndefinedTemplateVar/UndefinedTemplateVarTest.php

@@ -24,34 +24,37 @@ class UndefinedTemplateVarTest extends PHPUnit_Smarty
         $this->cleanDirs();
     }
     /**
-     * Test E_NOTICE suppression template fetched by Smarty object
+     * Test Error suppression template fetched by Smarty object
      */
-    public function testE_NoticeDisabled()
+    public function testErrorDisabled()
     {
         $e1 = error_reporting();
-        $this->smarty->setErrorReporting(E_ALL & ~E_NOTICE);
+        $this->smarty->setErrorReporting(E_ALL & ~E_WARNING & ~E_NOTICE);
         $this->assertEquals('undefined = ', $this->smarty->fetch('001_main.tpl'));
         $e2 = error_reporting();
         $this->assertEquals($e1, $e2);
     }
 
     /**
-     * Test E_NOTICE suppression template fetched by template object
+     * Test Error suppression template fetched by template object
      */
-    public function testE_NoticeDisabledTplObject_1()
+    public function testErrorDisabledTplObject_1()
     {
         $e1 = error_reporting();
-        $this->smarty->setErrorReporting(E_ALL & ~E_NOTICE);
+        $this->smarty->setErrorReporting(E_ALL & ~E_WARNING & ~E_NOTICE);
         $tpl = $this->smarty->createTemplate('001_main.tpl');
         $this->assertEquals('undefined = ', $tpl->fetch());
         $e2 = error_reporting();
         $this->assertEquals($e1, $e2);
     }
 
-    public function testE_NoticeDisabledTplObject_2()
+	/**
+	 * Test Error suppression template object fetched by Smarty object
+	 */
+    public function testErrorDisabledTplObject_2()
     {
         $e1 = error_reporting();
-        $this->smarty->setErrorReporting(E_ALL & ~E_NOTICE);
+        $this->smarty->setErrorReporting(E_ALL & ~E_WARNING & ~E_NOTICE);
         $tpl = $this->smarty->createTemplate('001_main.tpl');
         $this->assertEquals('undefined = ', $this->smarty->fetch($tpl));
         $e2 = error_reporting();
@@ -59,16 +62,31 @@ class UndefinedTemplateVarTest extends PHPUnit_Smarty
     }
 
     /**
-     * Throw E_NOTICE message
-     *
-     * @expectedException PHPUnit_Framework_Error_Notice
-     * @expectedExceptionMessage Undefined index: foo
+     * Throw Error message
      */
-    public function testE_Notice()
+    public function testError()
     {
-            $e1 = error_reporting();
-            $this->assertEquals('undefined = ', $this->smarty->fetch('001_main.tpl'));
-            $e2 = error_reporting();
-            $this->assertEquals($e1, $e2);
+	    $exceptionThrown = false;
+
+        try {
+	        $e1 = error_reporting();
+	        $this->assertEquals('undefined = ', $this->smarty->fetch('001_main.tpl'));
+	        $e2 = error_reporting();
+	        $this->assertEquals($e1, $e2);
+        } catch (Exception $e) {
+
+        	$exceptionThrown = true;
+	        $this->assertStringStartsWith('Undefined ', $e->getMessage());
+	        $this->assertTrue(in_array(
+	        	get_class($e),
+		        array(
+		        	'PHPUnit_Framework_Error_Warning',
+			        'PHPUnit_Framework_Error_Notice',
+			        'PHPUnit\Framework\Error\Warning',
+			        'PHPUnit\Framework\Error\Notice',
+		        )
+	        ));
+        }
+	    $this->assertTrue($exceptionThrown);
     }
 }

tests/UnitTests/A_Core/MuteExpectedErrors/MuteExpectedErrorsTest.php

@@ -27,7 +27,7 @@ class MuteExpectedErrorsTest extends PHPUnit_Smarty
     {
         $this->cleanDirs();
     }
-    public function error_handler($errno, $errstr, $errfile, $errline, $errcontext)
+    public function error_handler($errno, $errstr, $errfile, $errline, $errcontext = array())
     {
         $this->_errors[] = $errfile . ' line ' . $errline;
     }

tests/UnitTests/CacheResourceTests/_shared/CacheResourceTestCommon.php

@@ -339,6 +339,10 @@ class CacheResourceTestCommon extends PHPUnit_Smarty
         $this->assertNull($tpl->cached->handler->getCachedContent($tpl3));
         $this->assertEquals('hello world', $tpl->cached->handler->getCachedContent($tpl4));
     }
+
+    /**
+     * @group slow
+     */
    public function testClearCacheExpired()
     {
         $this->smarty->caching = true;
@@ -399,7 +403,7 @@ class CacheResourceTestCommon extends PHPUnit_Smarty
      * @runInSeparateProcess
      * @preserveGlobalState disabled
      * @dataProvider data
-     *
+     * @group slow
      */
     public function testCache($lockTime, $lockTimeout, $compile_id, $cache_id, $isCached, $tmin, $tmax, $forceCompile, $forceCache, $update, $testNumber, $compileTestNumber, $renderTestNumber, $testName)
     {

tests/UnitTests/ConfigFileTests/file/ConfigVarTest.php

@@ -403,7 +403,11 @@ class ConfigVarTest extends PHPUnit_Smarty
             $this->assertEquals("", $this->smarty->fetch('foo.tpl'));
         }
         catch (Exception $e) {
-            $this->assertEquals('Undefined variable: foo', $e->getMessage());
+	        if (PHP_VERSION_ID >= 80000) {
+		        $this->assertStringStartsWith('Undefined variable', $e->getMessage());
+	        } else {
+		        $this->assertStringStartsWith('Undefined variable', $e->getMessage());
+	        }
         }
     }
 }

tests/UnitTests/ResourceTests/Extends/ExtendsResourceTest.php

@@ -125,7 +125,7 @@ class ExtendsResourceTest extends PHPUnit_Smarty
      * test  grandchild/child/parent dependency test2
      * @runInSeparateProcess
      * @preserveGlobalState disabled
-     *
+     * @group slow
      */
     public function testCompileBlockGrandChildMustCompile_021_2()
     {
@@ -193,7 +193,7 @@ class ExtendsResourceTest extends PHPUnit_Smarty
      * test  grandchild/child/parent dependency test4
      * @runInSeparateProcess
      * @preserveGlobalState disabled
-     *
+     * @group slow
      */
     public function testCompileBlockGrandChildMustCompile_021_4()
     {

tests/UnitTests/SecurityTests/SecurityTest.php

@@ -298,18 +298,38 @@ class SecurityTest extends PHPUnit_Smarty
         $this->assertEquals('25', $this->smarty->fetch($tpl));
     }
 
-/**
- * test not trusted PHP function
-  * @expectedException        SmartyException
-  * @expectedExceptionMessage   access to static class 'mysecuritystaticclass' not allowed by security setting
-  * @runInSeparateProcess
-  * @preserveGlobalState disabled
-  */
-    public function testNotTrustedStaticClass()
-    {
-        $this->smarty->security_policy->static_classes = array('null');
-            $this->smarty->fetch('string:{mysecuritystaticclass::square(5)}');
-    }
+	/**
+	 * test not trusted PHP function
+	 * @expectedException        SmartyException
+	 * @expectedExceptionMessage   access to static class 'mysecuritystaticclass' not allowed by security setting
+	 */
+	public function testNotTrustedStaticClass()
+	{
+		$this->smarty->security_policy->static_classes = array('null');
+		$this->smarty->fetch('string:{mysecuritystaticclass::square(5)}');
+	}
+
+	/**
+	 * test not trusted PHP function
+	 * @expectedException        SmartyException
+	 * @expectedExceptionMessage   dynamic static class not allowed by security setting
+	 */
+	public function testNotTrustedStaticClassEval()
+	{
+		$this->smarty->security_policy->static_classes = array('null');
+		$this->smarty->fetch('string:{$test = "mysecuritystaticclass"}{$test::square(5)}');
+	}
+
+	/**
+	 * test not trusted PHP function
+	 * @expectedException        SmartyException
+	 * @expectedExceptionMessage   dynamic static class not allowed by security setting
+	 */
+	public function testNotTrustedStaticClassSmartyVar()
+	{
+		$this->smarty->security_policy->static_classes = array('null');
+		$this->smarty->fetch('string:{$smarty.template_object::square(5)}');
+	}
 
     public function testChangedTrustedDirectory()
     {
@@ -382,6 +402,15 @@ class SecurityTest extends PHPUnit_Smarty
         $this->smarty->security_policy->trusted_uri = array();
         $this->assertContains('<title>Preface | Smarty</title>', $this->smarty->fetch('string:{fetch file="https://www.smarty.net/docs/en/preface.tpl"}'));
     }
+
+    /**
+     * In security mode, accessing $smarty.template_object should be illegal.
+     * @expectedException SmartyCompilerException
+     */
+    public function testSmartyTemplateObject() {
+        $this->smarty->display('string:{$smarty.template_object}');
+    }
+
 }
 
 class mysecuritystaticclass

tests/UnitTests/SmartyMethodsTests/ClearAllAssign/ClearAllAssignBCTest.php

@@ -33,7 +33,7 @@ class ClearAllAssignBCTest extends PHPUnit_Smarty
 
     public function testSmarty2ClearAllAssignInSmarty()
     {
-        error_reporting((error_reporting() & ~(E_NOTICE | E_USER_NOTICE)));
+        error_reporting((error_reporting() & ~(E_NOTICE | E_WARNING | E_USER_NOTICE)));
         $this->smartyBC->clear_all_assign();
         $this->assertEquals('barblar', $this->smartyBC->fetch($this->_tplBC));
     }

tests/UnitTests/SmartyMethodsTests/ClearAllAssign/ClearAllAssignTest.php

@@ -46,7 +46,7 @@ class ClearAllAssignTest extends PHPUnit_Smarty
      */
     public function testClearAllAssignInTemplate()
     {
-        error_reporting((error_reporting() & ~(E_NOTICE | E_USER_NOTICE)));
+        error_reporting((error_reporting() & ~(E_NOTICE | E_USER_NOTICE | E_WARNING)));
         $this->_tpl->clearAllAssign();
         $this->assertEquals('foobar', $this->smarty->fetch($this->_tpl));
     }
@@ -56,7 +56,7 @@ class ClearAllAssignTest extends PHPUnit_Smarty
      */
     public function testClearAllAssignInData()
     {
-        error_reporting((error_reporting() & ~(E_NOTICE | E_USER_NOTICE)));
+        error_reporting((error_reporting() & ~(E_NOTICE | E_USER_NOTICE | E_WARNING)));
         $this->_data->clearAllAssign();
         $this->assertEquals('fooblar', $this->smarty->fetch($this->_tpl));
     }
@@ -66,7 +66,7 @@ class ClearAllAssignTest extends PHPUnit_Smarty
      */
     public function testClearAllAssignInSmarty()
     {
-        error_reporting((error_reporting() & ~(E_NOTICE | E_USER_NOTICE)));
+        error_reporting((error_reporting() & ~(E_NOTICE | E_USER_NOTICE | E_WARNING)));
         $this->smarty->clearAllAssign();
         $this->assertEquals('barblar', $this->smarty->fetch($this->_tpl));
     }

tests/UnitTests/SmartyMethodsTests/ClearAssign/ClearAssignBCTest.php

@@ -33,14 +33,14 @@ class ClearAssignBCTest extends PHPUnit_Smarty
     }
     public function testSmarty2ClearAssign()
     {
-        $this->smartyBC->setErrorReporting(error_reporting() & ~(E_NOTICE | E_USER_NOTICE));
+        $this->smartyBC->setErrorReporting(error_reporting() & ~(E_NOTICE | E_USER_NOTICE | E_WARNING));
         $this->smartyBC->clear_assign('blar');
         $this->assertEquals('foobar', $this->smartyBC->fetch('eval:{$foo}{$bar}{$blar}'));
     }
 
     public function testSmarty2ArrayClearAssign()
     {
-        $this->smartyBC->setErrorReporting(error_reporting() & ~(E_NOTICE | E_USER_NOTICE));
+        $this->smartyBC->setErrorReporting(error_reporting() & ~(E_NOTICE | E_USER_NOTICE | E_WARNING));
         $this->smartyBC->clear_assign(array('blar', 'foo'));
         $this->assertEquals('bar', $this->smartyBC->fetch('eval:{$foo}{$bar}{$blar}'));
     }

tests/UnitTests/SmartyMethodsTests/ClearAssign/ClearAssignTest.php

@@ -36,7 +36,7 @@ class ClearAssignTest extends PHPUnit_Smarty
      */
     public function testClearAssign()
     {
-        $this->smarty->setErrorReporting(error_reporting() & ~(E_NOTICE | E_USER_NOTICE));
+        $this->smarty->setErrorReporting(error_reporting() & ~(E_NOTICE | E_USER_NOTICE | E_WARNING));
         $this->smarty->clearAssign('blar');
         $this->assertEquals('foobar', $this->smarty->fetch('eval:{$foo}{$bar}{$blar}'));
     }
@@ -46,7 +46,7 @@ class ClearAssignTest extends PHPUnit_Smarty
      */
     public function testArrayClearAssign()
     {
-        $this->smarty->setErrorReporting(error_reporting() & ~(E_NOTICE | E_USER_NOTICE));
+        $this->smarty->setErrorReporting(error_reporting() & ~(E_NOTICE | E_USER_NOTICE | E_WARNING));
         $this->smarty->clearAssign(array('blar', 'foo'));
         $this->assertEquals('bar', $this->smarty->fetch('eval:{$foo}{$bar}{$blar}'));
     }

tests/UnitTests/TemplateSource/TagTests/BockExtend/CompileBlockExtendsTest.php

@@ -610,7 +610,7 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      *
      * @runInSeparateProcess
      * @preserveGlobalState disabled
-     *
+     * @group slow
      */
     public function testCompileBlockGrandChildMustCompile_021_2()
     {
@@ -645,7 +645,7 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      *
      * @runInSeparateProcess
      * @preserveGlobalState disabled
-     *
+     * @group slow
      */
     public function testCompileBlockGrandChildMustCompile_021_3()
     {
@@ -670,7 +670,7 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      *
      * @runInSeparateProcess
      * @preserveGlobalState disabled
-     *
+     * @group slow
      */
     public function testCompileBlockGrandChildMustCompile_021_32()
     {
@@ -692,6 +692,7 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      *
      * @runInSeparateProcess
      * @preserveGlobalState disabled
+     * @group slow
      */
     public function testCompileBlockGrandChildMustCompile_021_4()
     {
@@ -716,6 +717,7 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      *
      * @runInSeparateProcess
      * @preserveGlobalState disabled
+     * @group slow
      */
     public function testCompileBlockGrandChildMustCompile_021_42()
     {

tests/UnitTests/TemplateSource/TagTests/Foreach/CompileForeachTest.php

@@ -44,7 +44,7 @@ class CompileForeachTest extends PHPUnit_Smarty
             $this->smarty->assign('foo', $foo);
         } else {
             // unassigned $from parameter
-            $this->smarty->setErrorReporting(error_reporting() & ~(E_NOTICE | E_USER_NOTICE));
+            $this->smarty->setErrorReporting(error_reporting() & ~(E_NOTICE | E_USER_NOTICE | E_WARNING));
         }
 
         $this->assertEquals($result, $this->smarty->fetch($file), "testForeach - {$code} - {$testName}");

tests/UnitTests/TemplateSource/TagTests/Insert/CompileInsertTest.php

@@ -210,6 +210,7 @@ class CompileInsertTest extends PHPUnit_Smarty
      * test insert plugin caching 2
      * @runInSeparateProcess
      * @preserveGlobalState disabled
+     * @group slow
      */
     public function testInsertPluginCaching3_2()
     {

tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionHtmlCheckboxesTest.php

@@ -275,7 +275,7 @@ class PluginFunctionHtmlCheckboxesTest extends PHPUnit_Smarty
 
     protected $_errors = array();
 
-    public function error_handler($errno, $errstr, $errfile, $errline, $errcontext)
+    public function error_handler($errno, $errstr, $errfile, $errline, $errcontext = array())
     {
         $this->_errors[] = $errstr;
     }

tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionHtmlOptionsTest.php

@@ -369,7 +369,7 @@ class PluginFunctionHtmlOptionsTest extends PHPUnit_Smarty
 
     protected $_errors = array();
 
-    public function error_handler($errno, $errstr, $errfile, $errline, $errcontext)
+    public function error_handler($errno, $errstr, $errfile, $errline, $errcontext = array())
     {
         $this->_errors[] = $errstr;
     }

tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionHtmlRadiosTest.php

@@ -275,7 +275,7 @@ class PluginFunctionHtmlRadiosTest extends PHPUnit_Smarty
 
     protected $_errors = array();
 
-    public function error_handler($errno, $errstr, $errfile, $errline, $errcontext)
+    public function error_handler($errno, $errstr, $errfile, $errline, $errcontext = array())
     {
         $this->_errors[] = $errstr;
     }

tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionMailtoTest.php

@@ -54,7 +54,7 @@ class PluginFunctionMailtoTest extends PHPUnit_Smarty
 
     public function testEncodeJavascript()
     {
-        $result = '<script type="text/javascript">eval(unescape(\'%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%6d%65%40%65%78%61%6d%70%6c%65%2e%63%6f%6d%22%20%3e%6d%65%40%65%78%61%6d%70%6c%65%2e%63%6f%6d%3c%2f%61%3e%27%29%3b\'))</script>';
+        $result = '<script type="text/javascript">document.write(unescape(\'%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%6d%65%40%65%78%61%6d%70%6c%65%2e%63%6f%6d%22%20%3e%6d%65%40%65%78%61%6d%70%6c%65%2e%63%6f%6d%3c%2f%61%3e\'))</script>';
         $tpl = $this->smarty->createTemplate('eval:{mailto address="me@example.com" encode="javascript"}');
         $this->assertEquals(str_replace("\r", '', $result), $this->smarty->fetch($tpl));
     }
@@ -62,7 +62,7 @@ class PluginFunctionMailtoTest extends PHPUnit_Smarty
     public function testEncodeJavascriptWithoutMbstring()
     {
         Smarty::$_MBSTRING = false;
-        $result = '<script type="text/javascript">eval(unescape(\'%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%6d%65%40%65%78%61%6d%70%6c%65%2e%63%6f%6d%22%20%3e%6d%65%40%65%78%61%6d%70%6c%65%2e%63%6f%6d%3c%2f%61%3e%27%29%3b\'))</script>';
+        $result = '<script type="text/javascript">document.write(unescape(\'%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%6d%65%40%65%78%61%6d%70%6c%65%2e%63%6f%6d%22%20%3e%6d%65%40%65%78%61%6d%70%6c%65%2e%63%6f%6d%3c%2f%61%3e\'))</script>';
         $tpl = $this->smarty->createTemplate('eval:{mailto address="me@example.com" encode="javascript"}');
         $this->assertEquals(str_replace("\r", '', $result), $this->smarty->fetch($tpl));
         Smarty::$_MBSTRING = true;
@@ -70,7 +70,7 @@ class PluginFunctionMailtoTest extends PHPUnit_Smarty
 
     public function testEncodeJavascriptCharcode()
     {
-        $result = "<script type=\"text/javascript\" language=\"javascript\">\n{document.write(String.fromCharCode(60,97,32,104,114,101,102,61,34,109,97,105,108,116,111,58,109,101,64,101,120,97,109,112,108,101,46,99,111,109,34,32,62,109,101,64,101,120,97,109,112,108,101,46,99,111,109,60,47,97,62))}\n</script>\n";
+        $result = '<script type="text/javascript">document.write(String.fromCharCode(60,97,32,104,114,101,102,61,34,109,97,105,108,116,111,58,109,101,64,101,120,97,109,112,108,101,46,99,111,109,34,32,62,109,101,64,101,120,97,109,112,108,101,46,99,111,109,60,47,97,62))</script>';
         $tpl = $this->smarty->createTemplate('eval:{mailto address="me@example.com" encode="javascript_charcode"}');
         $this->assertEquals(str_replace("\r", '', $result), $this->smarty->fetch($tpl));
     }
@@ -78,7 +78,7 @@ class PluginFunctionMailtoTest extends PHPUnit_Smarty
     public function testEncodeJavascriptCharcodeWithoutMbstring()
     {
         Smarty::$_MBSTRING = false;
-        $result = "<script type=\"text/javascript\" language=\"javascript\">\n{document.write(String.fromCharCode(60,97,32,104,114,101,102,61,34,109,97,105,108,116,111,58,109,101,64,101,120,97,109,112,108,101,46,99,111,109,34,32,62,109,101,64,101,120,97,109,112,108,101,46,99,111,109,60,47,97,62))}\n</script>\n";
+        $result = '<script type="text/javascript">document.write(String.fromCharCode(60,97,32,104,114,101,102,61,34,109,97,105,108,116,111,58,109,101,64,101,120,97,109,112,108,101,46,99,111,109,34,32,62,109,101,64,101,120,97,109,112,108,101,46,99,111,109,60,47,97,62))</script>';
         $tpl = $this->smarty->createTemplate('eval:{mailto address="me@example.com" encode="javascript_charcode"}');
         $this->assertEquals(str_replace("\r", '', $result), $this->smarty->fetch($tpl));
         Smarty::$_MBSTRING = true;

tests/UnitTests/TemplateSource/TagTests/TemplateFunction/CompileFunctionTest.php

@@ -297,7 +297,7 @@ class CompileFunctionTest extends PHPUnit_Smarty
      */
     public function testExternalDefinedFunctionRecursion($text)
     {
-        $this->assertEquals('12345', $this->smarty->fetch('test_template_function_recursion2.tpl'), $text);
+        $this->assertEquals('012345', $this->smarty->fetch('test_template_function_recursion2.tpl'), $text);
     }
 
     /**
@@ -431,5 +431,14 @@ class CompileFunctionTest extends PHPUnit_Smarty
                      array("{function name=simple}A{\$foo}\nC{/function}{call name='simple'}", "Abar\nC", 'T14', $i++),
                      array("{function name=simple}A\n{\$foo}\nC{/function}{call name='simple'}", "A\nbar\nC", 'T15', $i++),
         );
-            }
+    }
+
+    /**
+     * Test handling of function names that are a security risk
+     * @expectedException        SmartyCompilerException
+     */
+    public function testIllegalFunctionName() {
+	    $this->smarty->fetch('string:{function name=\'rce(){};echo "hi";function \'}{/function}');
+    }
+
 }

tests/UnitTests/TemplateSource/ValueTests/ConstantTests/ConstantsTest.php

@@ -78,11 +78,13 @@ class ConstantsTest extends PHPUnit_Smarty
     }
     public function testConstantsUndefined()
     {
+	    $this->smarty->setErrorReporting(E_ALL & ~E_WARNING & ~E_NOTICE);
         $tpl = $this->smarty->createTemplate('string:{$smarty.const.MYCONSTANT2}');
         $this->assertEquals("", $this->smarty->fetch($tpl));
     }
     public function testConstantsUndefined2()
     {
+	    $this->smarty->setErrorReporting(E_ALL & ~E_WARNING & ~E_NOTICE);
         $tpl = $this->smarty->createTemplate('eval:{$foo = MYCONSTANT2}{$foo}');
         $this->assertEquals("MYCONSTANT2", $this->smarty->fetch($tpl));
     }

tests/UnitTests/TemplateSource/ValueTests/Math/MathTest.php

@@ -44,6 +44,14 @@ class MathTest extends PHPUnit_Smarty
         $this->assertEquals($expected, $this->smarty->fetch($tpl));
     }
 
+    public function testMultipleOperators()
+    {
+        $this->smarty->disableSecurity();
+        $expected = "2 -- 2";
+        $tpl = $this->smarty->createTemplate('eval:{$x = 5}{$y = 4}{math equation="x - y + 1" x=$x y=$y} -- {math equation="5 - 4 + 1"}');
+        $this->assertEquals($expected, $this->smarty->fetch($tpl));
+    }
+
     public function testSyntaxSin()
     {
         $this->smarty->disableSecurity();
@@ -107,4 +115,35 @@ class MathTest extends PHPUnit_Smarty
         $tpl = $this->smarty->createTemplate('eval:{$x = "4"}{$y = "5.5"}{math equation="x * y" x=$x y=$y format="%0.2f"} -- {math equation="20.5 / 5" format="%0.2f"}');
         $this->assertEquals($expected, $this->smarty->fetch($tpl));
     }
+
+	/**
+	 * @expectedException PHPUnit_Framework_Error_Warning
+	 */
+	public function testBackticksIllegal()
+	{
+		$expected = "22.00";
+		$tpl = $this->smarty->createTemplate('eval:{$x = "4"}{$y = "5.5"}{math equation="`ls` x * y" x=$x y=$y}');
+		$this->assertEquals($expected, $this->smarty->fetch($tpl));
+	}
+
+	/**
+	 * @expectedException PHPUnit_Framework_Error_Warning
+	 */
+	public function testDollarSignsIllegal()
+	{
+		$expected = "22.00";
+		$tpl = $this->smarty->createTemplate('eval:{$x = "4"}{$y = "5.5"}{math equation="$" x=$x y=$y}');
+		$this->assertEquals($expected, $this->smarty->fetch($tpl));
+	}
+
+	/**
+	 * @expectedException PHPUnit_Framework_Error_Warning
+	 */
+	public function testBracketsIllegal()
+	{
+		$expected = "I";
+		$tpl = $this->smarty->createTemplate('eval:{$x = "0"}{$y = "1"}{math equation="((y/x).(x))[x]" x=$x y=$y}');
+		$this->assertEquals($expected, $this->smarty->fetch($tpl));
+	}
+
 }

tests/UnitTests/TemplateSource/ValueTests/SmartySpecialVars/Now/SmartyNowTest.php

@@ -35,7 +35,7 @@ class SmartyNowTest extends PHPUnit_Smarty
     }
     /**
      * test {$smarty.now nocache}
-     *
+     * @group slow
      */
     public function testSmartyNowNocache() {
         $this->smarty->setCaching(true);

tests/UnitTests/TemplateSource/ValueTests/Variables/Stream/StreamVariableTest.php

@@ -59,7 +59,7 @@ class StreamVariableTest extends PHPUnit_Smarty
         }
     */
     /**
-     * test no existant stream variable
+     * test no existent stream variable
      */
     //    public function testStreamVariable2()
     //    {