From 3a4834ee6dd098b1527fef43211fbf41b48c9f46 Mon Sep 17 00:00:00 2001 From: vogelor <vogelor@ispconfig3> Date: Mon, 26 Jan 2009 14:06:59 -0500 Subject: [PATCH] Fixed problem with suexec, cgi and openbasedir --- server/plugins-available/shelluser_jailkit_plugin.inc.php | 142 ++++++++++++++++++++++++++++++++++------------ 1 files changed, 104 insertions(+), 38 deletions(-) diff --git a/server/plugins-available/shelluser_jailkit_plugin.inc.php b/server/plugins-available/shelluser_jailkit_plugin.inc.php index a74f171..10217a4 100755 --- a/server/plugins-available/shelluser_jailkit_plugin.inc.php +++ b/server/plugins-available/shelluser_jailkit_plugin.inc.php @@ -1,7 +1,7 @@ <?php /* -Copyright (c) 2008, Till Brehm, projektfarm Gmbh +Copyright (c) 2007, Till Brehm, projektfarm Gmbh All rights reserved. Redistribution and use in source and binary forms, with or without modification, @@ -34,6 +34,19 @@ var $plugin_name = 'shelluser_jailkit_plugin'; var $class_name = 'shelluser_jailkit_plugin'; + //* This function is called during ispconfig installation to determine + // if a symlink shall be created for this plugin. + function onInstall() { + global $conf; + + if($conf['services']['web'] == true) { + return true; + } else { + return false; + } + + } + /* This function is called when the plugin is loaded @@ -57,22 +70,30 @@ function insert($event_name,$data) { global $app, $conf; - /** - * Setup Jailkit Chroot System If Enabled - */ - if ($data['new']['chroot'] == "jailkit") - { - // load the server configuration options - $app->uses("getconf"); - $this->data = $data; - $this->app = $app; - $this->jailkit_config = $app->getconf->get_server_config($conf["server_id"], 'jailkit'); - - $this->_setup_jailkit_chroot(); - $this->_add_jailkit_user(); - } + $app->uses('system'); - $app->log("Jalikit Plugin -> insert username:".$data['new']['username'],LOGLEVEL_DEBUG); + if($app->system->is_user($data['new']['username'])) { + + /** + * Setup Jailkit Chroot System If Enabled + */ + if ($data['new']['chroot'] == "jailkit") + { + // load the server configuration options + $app->uses("getconf"); + $this->data = $data; + $this->app = $app; + $this->jailkit_config = $app->getconf->get_server_config($conf["server_id"], 'jailkit'); + + $this->_setup_jailkit_chroot(); + $this->_add_jailkit_user(); + } + + $app->log("Jailkit Plugin -> insert username:".$data['new']['username'],LOGLEVEL_DEBUG); + + } else { + $app->log("Jailkit Plugin -> insert username:".$data['new']['username']." skipped, the user does not exist.",LOGLEVEL_WARN); + } } @@ -80,28 +101,41 @@ function update($event_name,$data) { global $app, $conf; - /** - * Setup Jailkit Chroot System If Enabled - */ - if ($data['new']['chroot'] == "jailkit") - { - // load the server configuration options - $app->uses("getconf"); - $this->data = $data; - $this->app = $app; - $this->jailkit_config = $app->getconf->get_server_config($conf["server_id"], 'jailkit'); - - $this->_setup_jailkit_chroot(); - $this->_add_jailkit_user(); - } + $app->uses('system'); - $app->log("Jalikit Plugin -> update username:".$data['new']['username'],LOGLEVEL_DEBUG); + if($app->system->is_user($data['new']['username'])) { + + /** + * Setup Jailkit Chroot System If Enabled + */ + if ($data['new']['chroot'] == "jailkit") + { + // load the server configuration options + $app->uses("getconf"); + $this->data = $data; + $this->app = $app; + $this->jailkit_config = $app->getconf->get_server_config($conf["server_id"], 'jailkit'); + + $this->_setup_jailkit_chroot(); + $this->_add_jailkit_user(); + } + + $app->log("Jailkit Plugin -> update username:".$data['new']['username'],LOGLEVEL_DEBUG); + + } else { + $app->log("Jailkit Plugin -> update username:".$data['new']['username']." skipped, the user does not exist.",LOGLEVEL_WARN); + } } //* This function is called, when a shell user is deleted in the database + /** + * TODO: Remove chroot user home and from the chroot passwd file + */ function delete($event_name,$data) { global $app, $conf; + + $app->uses('system'); if ($data['old']['chroot'] == "jailkit") { @@ -110,13 +144,14 @@ $jailkit_chroot_userhome = $this->_get_home_dir($data['old']['username']); - exec('rm -rf '.$data['old']['dir'].$jailkit_chroot_userhome); + //commented out proved to be dangerous on config errors + //exec('rm -rf '.$data['old']['dir'].$jailkit_chroot_userhome); - $app->log("Jalikit Plugin -> delete chroot home:".$data['old']['dir'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG); + $app->log("Jailkit Plugin -> delete chroot home:".$data['old']['dir'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG); } - $app->log("Jalikit Plugin -> delete username:".$data['old']['username'],LOGLEVEL_DEBUG); + $app->log("Jailkit Plugin -> delete username:".$data['old']['username'],LOGLEVEL_DEBUG); } @@ -135,6 +170,36 @@ $this->_add_jailkit_programs(); + //add bash.bashrc script + //we need to collect the domain name to be used as the HOSTNAME in the bashrc script + $web = $this->app->db->queryOneRecord("SELECT domain FROM web_domain WHERE domain_id = ".intval($this->data['new']["parent_domain_id"])); + + $this->app->load('tpl'); + + $tpl = new tpl(); + $tpl->newTemplate("bash.bashrc.master"); + + $tpl->setVar('jailkit_chroot',true); + $tpl->setVar('domain',$web['domain']); + $tpl->setVar('home_dir',$this->_get_home_dir("")); + + $bashrc = escapeshellcmd($this->data['new']['dir']).'/etc/bash.bashrc'; + exec('rm '.$bashrc); + + file_put_contents($bashrc,$tpl->grab()); + unset($tpl); + + $this->app->log("Added bashrc scrpt : ".$bashrc,LOGLEVEL_DEBUG); + + $tpl = new tpl(); + $tpl->newTemplate("motd.master"); + + $tpl->setVar('domain',$web['domain']); + + $motd = escapeshellcmd($this->data['new']['dir']).'/var/run/motd'; + exec('rm '.$motd); + + file_put_contents($motd,$tpl->grab()); } } @@ -174,15 +239,16 @@ $this->app->log("Added jailkit user to chroot with command: ".$command,LOGLEVEL_DEBUG); - exec("mkdir -p ".$this->data['new']['dir'].$jailkit_chroot_userhome); - exec("chown ".$this->data['new']['username'].":".$this->data['new']['pgroup']." ".$this->data['new']['dir'].$jailkit_chroot_userhome); + exec("mkdir -p ".escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome)); + exec("chown ".$this->data['new']['username'].":".$this->data['new']['pgroup']." ".escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome)); $this->app->log("Added created jailkit user home in : ".$this->data['new']['dir'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG); - exec("mkdir -p ".$this->data['new']['dir'].$jailkit_chroot_puserhome); - exec("chown ".$this->data['new']['puser'].":".$this->data['new']['pgroup']." ".$this->data['new']['dir'].$jailkit_chroot_puserhome); + exec("mkdir -p ".escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome)); + exec("chown ".$this->data['new']['puser'].":".$this->data['new']['pgroup']." ".escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome)); $this->app->log("Added created jailkit parent user home in : ".$this->data['new']['dir'].$jailkit_chroot_puserhome,LOGLEVEL_DEBUG); + } } -- Gitblit v1.9.1