kashire/lainchan
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copy environment when dropping privileges

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This commit is contained in:
Michael Save 2012-03-15 03:14:09 +11:00
parent 6a52a9b31e
commit 9e20b4071f
1 changed files with 20 additions and 7 deletions
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27
tools/inc/cli.php
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@ -8,6 +8,7 @@
* - ../
*/
set_time_limit(0);
$shell_path = getcwd();
if(getenv('TINYBOARD_PATH') !== false)
@ -56,21 +57,33 @@ function get_httpd_privileges() {
if(!is_writable('.'))
die("get_httpd_privileges(): web directory is not writable\n");
if(!is_writable('inc/'))
die("get_httpd_privileges(): inc/ directory is not writable\n");
$filename = '.' . md5(rand()) . '.php';
$inc_filename = '.' . md5(rand()) . '.php';
echo "Copying rebuilder to web directory...\n";
copy($shell_path . '/' . $_SERVER['PHP_SELF'], $filename);
copy(__FILE__, 'inc/cli.php');
// replace "/inc/cli.php" with its new filename
passthru("cat " . escapeshellarg($shell_path . '/' . $_SERVER['PHP_SELF']) . " | sed \"s/'\/inc\/cli\.php'/'\/{$inc_filename}'/\" > {$filename}");
// copy environment
$inc_header = "<?php\n";
$env = explode("\n", shell_exec('printenv | grep ^TINYBOARD'));
foreach($env as $line) {
if(!empty($line))
$inc_header .= "putenv('" . addslashes($line) . "');\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/cli.php', 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'] . $filename;
@ -81,7 +94,7 @@ function get_httpd_privileges() {
passthru('curl -s -N ' . escapeshellarg($url));
unlink($filename);
unlink('inc/cli.php');
unlink($inc_filename);
exit(0);
}