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https://github.com/vichan-devel/vichan.git
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SECURITY: prevent a DoS attack by disabling HTTP access to tools/ scripts.
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c5c356e077
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@ -13,7 +13,7 @@ error_reporting(E_ALL);
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set_time_limit(0);
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$shell_path = getcwd();
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if (isset ($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] != '127.0.0.1' && $_SERVER['REMOTE_ADDR'] != '::1') {
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if (php_sapi_name() != 'cli') {
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die("This script is executable only from Command Line Interface.");
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}
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@ -48,59 +48,4 @@ $mod = Array(
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'boards' => Array('*')
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);
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function get_httpd_privileges() {
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global $config, $shell_path, $argv;
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if(php_sapi_name() != 'cli')
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die("get_httpd_privileges(): invoked from HTTP client.\n");
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echo "Dropping priviledges...\n";
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if(!is_writable('.'))
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die("get_httpd_privileges(): web directory is not writable\n");
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$filename = '.' . md5(rand()) . '.php';
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$inc_filename = '.' . md5(rand()) . '.php';
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echo "Copying rebuilder to web directory...\n";
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// replace "/inc/cli.php" with its new filename
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passthru("cat " . escapeshellarg($shell_path . '/' . $_SERVER['PHP_SELF']) . " | sed \"s/'\/inc\/cli\.php'/'\/{$inc_filename}'/\" > {$filename}");
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$inc_header = "<?php\n";
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// copy environment
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$env = explode("\n", shell_exec('printenv | grep ^TINYBOARD'));
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foreach($env as $line) {
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if(!empty($line))
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$inc_header .= "putenv('" . addslashes($line) . "');\n";
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}
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// copy command line arguments
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$inc_header .= "\$argv = " . var_export($argv, true) . ";\n";
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// copy this file
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file_put_contents($inc_filename, $inc_header . substr($inc = file_get_contents(__FILE__), strpos($inc, "\n")));
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chmod($filename, 0666);
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chmod($inc_filename, 0666);
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if(preg_match('/^https?:\/\//', $config['root'])) {
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$url = $config['root'] . $filename;
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} elseif($host = getenv('TINYBOARD_HOST')) {
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$url = 'http://' . $host . $config['root'] . $filename;
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} else {
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// assume localhost
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$url = 'http://localhost' . $config['root'] . $filename;
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}
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echo "Downloading $url\n";
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passthru('curl -s -N ' . escapeshellarg($url));
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unlink($filename);
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unlink($inc_filename);
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exit(0);
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}
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@ -21,10 +21,6 @@
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require dirname(__FILE__) . '/inc/cli.php';
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if(!is_writable($config['file_script'])) {
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get_httpd_privileges();
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}
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$start = microtime(true);
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// parse command line
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@ -4,10 +4,6 @@
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require dirname(__FILE__) . '/inc/cli.php';
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if(!is_writable($config['file_script'])) {
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get_httpd_privileges();
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}
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if (!isset ($argv[1])) {
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die("Usage: tools/recount-bumps.php board_uri\n");
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}
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@ -2,10 +2,6 @@
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<?php
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require dirname(__FILE__) . '/inc/cli.php';
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if(!is_writable($config['file_script'])) {
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get_httpd_privileges();
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}
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$variants = [["hour", 3600], ["day", 3600*24], ["3 days", 3600*24*3],
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["week", 3600*24*7], ["month", 3600*24*7*30]];
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