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get_httpd_privileges() function for CLI scripts

This commit is contained in:
Michael Save 2012-03-15 01:44:29 +11:00
parent 2482723ff2
commit 64c1f6821c
2 changed files with 72 additions and 32 deletions
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71
tools/inc/cli.php
View File

@ -1,5 +1,36 @@
<?php <?php
/*
* This script will look for Tinyboard in the following places (in order):
* - ./
* - ./Tinyboard/
* - ../
*/
$shell_path = getcwd();
if(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'))
$dir = '..';
else
die('Could not locate Tinyboard directory!');
if($dir && !chdir($dir))
die('Could not change directory to ' . $dir . '!');
// follow symlink
chdir(realpath('inc') . '/..');
require 'inc/functions.php';
require 'inc/display.php';
require 'inc/template.php';
require 'inc/database.php';
require 'inc/user.php';
require 'inc/mod.php';
$mod = Array( $mod = Array(
'id' => -1, 'id' => -1,
'type' => ADMIN, 'type' => ADMIN,
@ -7,4 +38,44 @@ $mod = Array(
'boards' => Array('*') 'boards' => Array('*')
); );
function get_httpd_privileges() {
global $config, $shell_path;
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");
if(!is_writable('inc/'))
die("get_httpd_privileges(): inc/ directory is not writable\n");
$filename = '.' . md5(rand()) . '.php';
echo "Copying rebuilder to web directory...\n";
copy($shell_path . '/' . $_SERVER['PHP_SELF'], $filename);
copy(__FILE__, 'inc/cli.php');
chmod($filename, 0666);
chmod('inc/cli.php', 0666);
if(preg_match('/^https?:\/\//', $config['root'])) {
$url = $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/cli.php');
exit(0);
}

33
tools/rebuild.php
View File

@ -1,12 +1,5 @@
#!/usr/bin/php #!/usr/bin/php
<?php <?php
require 'inc/functions.php';
require 'inc/display.php';
require 'inc/template.php';
require 'inc/database.php';
require 'inc/user.php';
require 'inc/mod.php';
require dirname(__FILE__) . '/inc/cli.php'; require dirname(__FILE__) . '/inc/cli.php';
$mod = Array( $mod = Array(
@ -21,31 +14,7 @@
echo "== Tinyboard {$config['version']} ==\n"; echo "== Tinyboard {$config['version']} ==\n";
if(!is_writable($config['file_script'])) { if(!is_writable($config['file_script'])) {
echo "Dropping priviledges... (I can't operate as user; I need PHP's rights.)\n"; get_httpd_privileges();
$filename = '.' . md5(rand()) . '.php';
echo "Copying rebuilder to web directory...\n";
copy(__FILE__, $filename);
chmod($filename, 0666);
if(preg_match('/^https?:\/\//', $config['root'])) {
$url = $config['root'] . $filename;
} else {
// assume localhost
$url = 'http://localhost' . $config['root'] . $filename;
}
echo "Downloading $url\n";
passthru('curl -s -N ' . escapeshellarg($url));
echo "\n".'Cleaning up afterwards...'."\n";
unlink($filename);
echo "Bye!\n";
exit;
} }
echo "Clearing template cache...\n"; echo "Clearing template cache...\n";