Source code of Leftypol imageboard
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106 lines
2.7 KiB

<?php
/*
* This script will look for Tinyboard in the following places (in order):
* - $TINYBOARD_PATH environment varaible
* - ./
* - ./Tinyboard/
* - ../
*/
ini_set('display_errors', 1);
error_reporting(E_ALL);
set_time_limit(0);
$shell_path = getcwd();
if (isset ($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] != '127.0.0.1' && $_SERVER['REMOTE_ADDR'] != '::1') {
die("This script is executable only from Command Line Interface.");
}
if(getenv('TINYBOARD_PATH') !== false)
$dir = getenv('TINYBOARD_PATH');
elseif(file_exists('inc/functions.php'))
$dir = false;
elseif(file_exists('Tinyboard') && is_dir('Tinyboard') && file_exists('Tinyboard/inc/functions.php'))
$dir = 'Tinyboard';
elseif(file_exists('../inc/functions.php'))
$dir = '..';
else
die("Could not locate Tinyboard directory!\n");
if($dir && !chdir($dir))
die("Could not change directory to {$dir}\n");
if(!getenv('TINYBOARD_PATH')) {
// follow symlink
chdir(realpath('inc') . '/..');
}
putenv('TINYBOARD_PATH=' . getcwd());
require 'inc/functions.php';
require 'inc/mod/auth.php';
$mod = Array(
'id' => -1,
'type' => ADMIN,
'username' => '?',
'boards' => Array('*')
);
function get_httpd_privileges() {
global $config, $shell_path, $argv;
if(php_sapi_name() != 'cli')
die("get_httpd_privileges(): invoked from HTTP client.\n");
echo "Dropping priviledges...\n";
if(!is_writable('.'))
die("get_httpd_privileges(): web directory is not writable\n");
$filename = '.' . md5(rand()) . '.php';
$inc_filename = '.' . md5(rand()) . '.php';
echo "Copying rebuilder to web directory...\n";
// replace "/inc/cli.php" with its new filename
passthru("cat " . escapeshellarg($shell_path . '/' . $_SERVER['PHP_SELF']) . " | sed \"s/'\/inc\/cli\.php'/'\/{$inc_filename}'/\" > {$filename}");
$inc_header = "<?php\n";
// copy environment
$env = explode("\n", shell_exec('printenv | grep ^TINYBOARD'));
foreach($env as $line) {
if(!empty($line))
$inc_header .= "putenv('" . addslashes($line) . "');\n";
}
// copy command line arguments
$inc_header .= "\$argv = " . var_export($argv, true) . ";\n";
// copy this file
file_put_contents($inc_filename, $inc_header . substr($inc = file_get_contents(__FILE__), strpos($inc, "\n")));
chmod($filename, 0666);
chmod($inc_filename, 0666);
if(preg_match('/^https?:\/\//', $config['root'])) {
$url = $config['root'] . $filename;
} elseif($host = getenv('TINYBOARD_HOST')) {
$url = 'http://' . $host . $config['root'] . $filename;
} else {
// assume localhost
$url = 'http://localhost' . $config['root'] . $filename;
}
echo "Downloading $url\n";
passthru('curl -s -N ' . escapeshellarg($url));
unlink($filename);
unlink($inc_filename);
exit(0);
}