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test: expand security test coverage for hardening changes
Add targeted tests for prepared statement migration, output escaping, auth guard presence, CSRF token validation, redirect safety, and PHP 7.4 compatibility. Tests use source-scan patterns that verify security invariants without requiring the Cacti database. Signed-off-by: Thomas Vincent <thomasvincent@gmail.com>
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9 files changed

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‎composer.json‎

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{
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"name": "cacti/plugin_audit",
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"description": "plugin_audit plugin for Cacti",
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"license": "GPL-2.0-or-later",
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"require-dev": {
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"pestphp/pest": "^1.23"
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},
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"config": {
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"allow-plugins": {
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"pestphp/pest-plugin": true
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}
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},
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"autoload-dev": {
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"files": [
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"tests/bootstrap.php"
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]
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}
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}

‎tests/Pest.php‎

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<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004-2026 The Cacti Group |
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+-------------------------------------------------------------------------+
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| Cacti: The Complete RRDtool-based Graphing Solution |
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+-------------------------------------------------------------------------+
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*/
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require_once __DIR__ . '/bootstrap.php';

‎tests/Security/AuthGuardTest.php‎

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<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004-2026 The Cacti Group |
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+-------------------------------------------------------------------------+
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| Cacti: The Complete RRDtool-based Graphing Solution |
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+-------------------------------------------------------------------------+
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*/
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describe('auth guard presence in audit', function () {
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it('includes auth.php or global.php in all UI entry points', function () {
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$uiFiles = array(
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'audit.php',
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'audit_functions.php',
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);
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foreach ($uiFiles as $relativeFile) {
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$path = realpath(__DIR__ . '/../../' . $relativeFile);
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if ($path === false) continue;
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$contents = file_get_contents($path);
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if ($contents === false) continue;
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// Files that include setup.php or are library files don't need direct auth
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if (strpos($relativeFile, 'include/') === 0 || strpos($relativeFile, 'lib/') === 0) continue;
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if (strpos($relativeFile, 'poller_') === 0) continue;
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$hasAuth = (
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strpos($contents, 'auth.php') !== false ||
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strpos($contents, 'global.php') !== false ||
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strpos($contents, 'global_arrays.php') !== false
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);
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expect($hasAuth)->toBeTrue(
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"File {$relativeFile} does not include auth.php or global.php"
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);
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}
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});
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it('validates numeric IDs from request variables before DB queries', function () {
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$uiFiles = array(
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'audit.php',
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'audit_functions.php',
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);
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foreach ($uiFiles as $relativeFile) {
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$path = realpath(__DIR__ . '/../../' . $relativeFile);
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if ($path === false) continue;
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$contents = file_get_contents($path);
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if ($contents === false) continue;
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// Check for get_filter_request_var usage for numeric IDs
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if (preg_match('/get_request_var\s*\(\s*['"]id['"]/', $contents)) {
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// Should use get_filter_request_var for 'id' params
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$hasFilter = (
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strpos($contents, 'get_filter_request_var') !== false ||
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strpos($contents, 'input_validate_input_number') !== false ||
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strpos($contents, 'form_input_validate') !== false
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);
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expect($hasFilter)->toBeTrue(
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"File {$relativeFile} uses get_request_var for IDs without validation"
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);
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}
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}
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});
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});

‎tests/Security/OutputEscapingTest.php‎

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<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004-2026 The Cacti Group |
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+-------------------------------------------------------------------------+
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| Cacti: The Complete RRDtool-based Graphing Solution |
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+-------------------------------------------------------------------------+
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*/
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describe('output escaping in audit', function () {
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it('does not interpolate raw variables into HTML attributes', function () {
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$uiFiles = array(
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'audit.php',
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'audit_functions.php',
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);
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foreach ($uiFiles as $relativeFile) {
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$path = realpath(__DIR__ . '/../../' . $relativeFile);
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if ($path === false) continue;
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$contents = file_get_contents($path);
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if ($contents === false) continue;
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$lines = explode("\n", $contents);
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$dangerous = 0;
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foreach ($lines as $line) {
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$trimmed = ltrim($line);
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if (strpos($trimmed, '//') === 0 || strpos($trimmed, '*') === 0) continue;
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// value="$row[...] without html_escape wrapping
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if (preg_match('/value\s*=\s*["\'"]\s*<\?php\s+echo\s+\$/', $line)) {
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$dangerous++;
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}
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// title="<?php print $something without escaping
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if (preg_match('/(?:title|alt|placeholder)\s*=.*print\s+\$(?!_|config)/', $line)) {
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if (strpos($line, 'html_escape') === false && strpos($line, '__esc') === false && strpos($line, 'htmlspecialchars') === false) {
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$dangerous++;
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}
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}
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}
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expect($dangerous)->toBe(0,
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"File {$relativeFile} has unescaped variables in HTML attributes"
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);
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}
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});
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it('uses html_escape or __esc for user-controlled output', function () {
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$uiFiles = array(
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'audit.php',
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'audit_functions.php',
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);
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$totalEscapeCalls = 0;
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foreach ($uiFiles as $relativeFile) {
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$path = realpath(__DIR__ . '/../../' . $relativeFile);
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if ($path === false) continue;
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$contents = file_get_contents($path);
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if ($contents === false) continue;
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$totalEscapeCalls += preg_match_all('/html_escape|__esc\(|htmlspecialchars/', $contents);
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}
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// At least some escaping should be present in UI files
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expect($totalEscapeCalls)->toBeGreaterThan(0,
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'UI files should contain at least one html_escape/__esc call'
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);
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});
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});

‎tests/Security/Php74CompatibilityTest.php‎

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<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004-2026 The Cacti Group |
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+-------------------------------------------------------------------------+
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| Cacti: The Complete RRDtool-based Graphing Solution |
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+-------------------------------------------------------------------------+
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*/
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describe('PHP 7.4 compatibility in audit', function () {
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$files = array(
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'audit.php',
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'audit_functions.php',
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'setup.php',
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);
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it('does not use str_contains (PHP 8.0)', function () use ($files) {
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foreach ($files as $f) {
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$p = realpath(__DIR__ . '/../../' . $f);
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if ($p === false) continue;
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$c = file_get_contents($p);
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if ($c === false) continue;
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expect(preg_match('/\bstr_contains\s*\(/', $c))->toBe(0, "{$f} uses str_contains");
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}
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});
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it('does not use str_starts_with (PHP 8.0)', function () use ($files) {
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foreach ($files as $f) {
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$p = realpath(__DIR__ . '/../../' . $f);
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if ($p === false) continue;
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$c = file_get_contents($p);
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if ($c === false) continue;
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expect(preg_match('/\bstr_starts_with\s*\(/', $c))->toBe(0, "{$f} uses str_starts_with");
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}
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});
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it('does not use str_ends_with (PHP 8.0)', function () use ($files) {
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foreach ($files as $f) {
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$p = realpath(__DIR__ . '/../../' . $f);
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if ($p === false) continue;
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$c = file_get_contents($p);
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if ($c === false) continue;
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expect(preg_match('/\bstr_ends_with\s*\(/', $c))->toBe(0, "{$f} uses str_ends_with");
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}
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});
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it('does not use nullsafe operator (PHP 8.0)', function () use ($files) {
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foreach ($files as $f) {
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$p = realpath(__DIR__ . '/../../' . $f);
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if ($p === false) continue;
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$c = file_get_contents($p);
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if ($c === false) continue;
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expect(preg_match('/\?->/', $c))->toBe(0, "{$f} uses nullsafe operator");
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}
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});
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it('does not use match expression (PHP 8.0)', function () use ($files) {
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foreach ($files as $f) {
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$p = realpath(__DIR__ . '/../../' . $f);
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if ($p === false) continue;
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$c = file_get_contents($p);
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if ($c === false) continue;
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// Avoid false positive on preg_match etc
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$c2 = preg_replace('/preg_match|preg_match_all|fnmatch/', '', $c);
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expect(preg_match('/\bmatch\s*\(/', $c2))->toBe(0, "{$f} uses match expression");
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}
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});
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it('does not use union type declarations (PHP 8.0)', function () use ($files) {
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foreach ($files as $f) {
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$p = realpath(__DIR__ . '/../../' . $f);
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if ($p === false) continue;
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$c = file_get_contents($p);
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if ($c === false) continue;
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// Match function params/return with union types like string|false
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$hits = preg_match_all('/function\s+\w+\s*\([^)]*\w+\s*\|\s*\w+/', $c);
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expect($hits)->toBe(0, "{$f} uses union types in function signatures");
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}
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});
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it('does not use constructor property promotion (PHP 8.0)', function () use ($files) {
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foreach ($files as $f) {
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$p = realpath(__DIR__ . '/../../' . $f);
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if ($p === false) continue;
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$c = file_get_contents($p);
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if ($c === false) continue;
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expect(preg_match('/function\s+__construct\s*\([^)]*\b(public|private|protected|readonly)\s/', $c))->toBe(0,
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"{$f} uses constructor promotion"
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);
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}
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});
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it('uses array() not short syntax for new arrays', function () use ($files) {
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// This is a style preference for 1.2.x consistency, not a hard requirement
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// Just verify no mixed styles in the same file
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foreach ($files as $f) {
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$p = realpath(__DIR__ . '/../../' . $f);
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if ($p === false) continue;
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$c = file_get_contents($p);
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if ($c === false) continue;
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$hasArrayFunc = preg_match('/\barray\s*\(/', $c);
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$hasShortArray = preg_match('/=\s*\[/', $c);
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// Flag files that mix both styles
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if ($hasArrayFunc && $hasShortArray) {
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// Allow mixed if the file existed before our changes
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// This is informational, not a hard fail
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}
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}
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expect(true)->toBeTrue();
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});
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});

‎tests/Security/PreparedStatementConsistencyTest.php‎

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<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004-2026 The Cacti Group |
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+-------------------------------------------------------------------------+
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| Cacti: The Complete RRDtool-based Graphing Solution |
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+-------------------------------------------------------------------------+
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*/
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describe('prepared statement consistency in audit', function () {
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it('uses prepared DB helpers in all plugin files', function () {
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$targetFiles = array(
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'audit.php',
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'audit_functions.php',
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'setup.php',
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);
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$rawPattern = '/\bdb_(?:execute|fetch_row|fetch_assoc|fetch_cell)\s*\(/';
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$preparedPattern = '/\bdb_(?:execute|fetch_row|fetch_assoc|fetch_cell)_prepared\s*\(/';
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foreach ($targetFiles as $relativeFile) {
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$path = realpath(__DIR__ . '/../../' . $relativeFile);
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if ($path === false) continue;
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$contents = file_get_contents($path);
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if ($contents === false) continue;
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$lines = explode("\n", $contents);
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$rawCalls = 0;
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foreach ($lines as $line) {
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$trimmed = ltrim($line);
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if (strpos($trimmed, '//') === 0 || strpos($trimmed, '*') === 0 || strpos($trimmed, '#') === 0) continue;
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if (preg_match($rawPattern, $line) && !preg_match($preparedPattern, $line)) {
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$rawCalls++;
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}
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}
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expect($rawCalls)->toBe(0, "File {$relativeFile} contains raw DB calls");
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}
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});
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it('uses parameterized placeholders not string interpolation in SQL', function () {
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$targetFiles = array(
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'audit.php',
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'audit_functions.php',
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'setup.php',
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);
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foreach ($targetFiles as $relativeFile) {
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$path = realpath(__DIR__ . '/../../' . $relativeFile);
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if ($path === false) continue;
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$contents = file_get_contents($path);
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if ($contents === false) continue;
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$lines = explode("\n", $contents);
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$interpolatedSql = 0;
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foreach ($lines as $num => $line) {
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$trimmed = ltrim($line);
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if (strpos($trimmed, '//') === 0 || strpos($trimmed, '*') === 0) continue;
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// Detect _prepared calls with $ interpolation instead of ? placeholders
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if (preg_match('/_prepared\s*\(/', $line) && preg_match('/\$[a-zA-Z_]/', $line)) {
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// Allow array($var) param binding but flag "WHERE id = $var"
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if (preg_match('/(?:SELECT|INSERT|UPDATE|DELETE|WHERE|SET|FROM|JOIN).*\$/', $line)) {
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$interpolatedSql++;
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}
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}
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}
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// This is a heuristic; some false positives expected for complex queries
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expect($interpolatedSql)->toBeLessThanOrEqual(2,
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"File {$relativeFile} may have SQL interpolation in prepared calls"
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);
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}
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});
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});

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