1 files changed, 43 insertions, 0 deletions

diff --git a/scripts/generate_rules.php b/scripts/generate_rules.php
new file mode 100644
index 0000000..e286ef1
--- /dev/null
+++ b/scripts/generate_rules.php
@@ -0,0 +1,43 @@
+<?php
+
+if ($argc != 2) {
+        echo 'Please provide a folder as argument.';
+        die();
+}
+
+$functions_blacklist = ['shell_exec', 'exec', 'passthru', 'php_uname', 'popen',
+        'posix_kill', 'posix_mkfifo', 'posix_setpgid', 'posix_setsid', 'posix_setuid',
+        'posix_setgid', 'posix_uname', 'proc_close', 'proc_nice', 'proc_open',
+        'proc_terminate', 'proc_open', 'proc_get_status', 'dl', 'pnctl_exec',
+    'pnctl_fork', 'assert', 'system'];
+
+$extensions = ['php', 'php7', 'php5'];
+
+$path = realpath($argv[1]);
+
+$objects = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path));
+foreach($objects as $name => $object){
+        if (FALSE === in_array (pathinfo($name, PATHINFO_EXTENSION), $extensions, true)) {
+                continue;
+        }
+
+        $hash = '';
+        $file_content = file_get_contents($name);
+
+        foreach(token_get_all($file_content) as $token) {
+                if ($token[0] != 319) {
+                        continue;
+                }
+
+                if (in_array($token[1], $functions_blacklist, true)) {
+                        if ('' === $hash) {
+                                $hash = hash('sha256', $file_content);
+                        }
+                        echo 'sp.disable_function.function("' . $token[1] . '").filename("' . $name . '").hash("' . $hash . '").allow();' . "\n";
+                }
+        }
+}
+foreach($functions_blacklist as $fun) {
+        echo 'sp.disable_function.function("' . $fun . '").drop();' . "\n";
+
+}