From 378935a8a92592cf1ef164b4d969c376c46a78c6 Mon Sep 17 00:00:00 2001 From: nveid <nveid@ispconfig3> Date: Fri, 09 Dec 2011 02:35:24 -0500 Subject: [PATCH] Fixed mysql error when switching from "Options" tab to "Ftp User" edit tab, the onUpdate thought we were trying to change the Website because the Options Datalog didn't have the parent_domain_id and the Ftp User tab did. --- server/plugins-available/shelluser_jailkit_plugin.inc.php | 366 ++++++++++++++++++++++++++++++++++++++++++++------- 1 files changed, 312 insertions(+), 54 deletions(-) diff --git a/server/plugins-available/shelluser_jailkit_plugin.inc.php b/server/plugins-available/shelluser_jailkit_plugin.inc.php index a74f171..50d2b24 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 +70,41 @@ 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->_update_website_security_level(); + + $this->_setup_jailkit_chroot(); + + $this->_add_jailkit_user(); + + // call the ssh-rsa update function + $this->_setup_ssh_rsa(); + + $command .= 'usermod -s /usr/sbin/jk_chrootsh -U '.escapeshellcmd($data['new']['username']); + exec($command); + + $this->_update_website_security_level(); + } + + $app->log("Jailkit Plugin -> insert username:".$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 +112,48 @@ 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->_update_website_security_level(); + + $this->_setup_jailkit_chroot(); + $this->_add_jailkit_user(); + + // call the ssh-rsa update function + $this->_setup_ssh_rsa(); + + $this->_update_website_security_level(); + } + + $app->log("Jailkit Plugin -> update username:".$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 +162,19 @@ $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); + if(@is_dir($data['old']['dir'].$jailkit_chroot_userhome)) { + $command = 'userdel'; + $command .= ' '.escapeshellcmd($data['old']['username']); + exec($command); + $app->log("Jailkit Plugin -> delete chroot home:".$data['old']['dir'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG); + } - $app->log("Jalikit Plugin -> delete chroot home:".$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 +193,36 @@ $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'; + if(@is_file($bashrc)) unlink($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'; + if(@is_file($motd)) unlink($motd); + + file_put_contents($motd,$tpl->grab()); } } @@ -152,7 +240,7 @@ function _get_home_dir($username) { - return str_replace("[username]",escapeshellcmd($username),$this->jailkit_config["jailkit_chroot_home"]); + return str_replace("[username]",escapeshellcmd($username),$this->jailkit_config['jailkit_chroot_home']); } function _add_jailkit_user() @@ -161,33 +249,203 @@ $jailkit_chroot_userhome = $this->_get_home_dir($this->data['new']['username']); $jailkit_chroot_puserhome = $this->_get_home_dir($this->data['new']['puser']); - if (!is_dir($this->data['new']['dir'].$jailkit_chroot_userhome)) + if(!is_dir($this->data['new']['dir'].'/etc')) mkdir($this->data['new']['dir'].'/etc', 0755); + if(!is_file($this->data['new']['dir'].'/etc/passwd')) touch($this->data['new']['dir'].'/etc/passwd', 0755); + + // IMPORTANT! + // ALWAYS create the user. Even if the user was created before + // if we check if the user exists, then a update (no shell -> jailkit) will not work + // and the user has FULL ACCESS to the root of the server! + $command = '/usr/local/ispconfig/server/scripts/create_jailkit_user.sh'; + $command .= ' '.escapeshellcmd($this->data['new']['username']); + $command .= ' '.escapeshellcmd($this->data['new']['dir']); + $command .= ' '.$jailkit_chroot_userhome; + $command .= ' '.escapeshellcmd($this->data['new']['shell']); + $command .= ' '.$this->data['new']['puser']; + $command .= ' '.$jailkit_chroot_puserhome; + exec($command); + + $this->app->log("Added jailkit user to chroot with command: ".$command,LOGLEVEL_DEBUG); + + if(!is_dir($this->data['new']['dir'].$jailkit_chroot_userhome)) mkdir(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), 0755, true); + chown(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), $this->data['new']['username']); + chgrp(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), $this->data['new']['pgroup']); + + $this->app->log("Added created jailkit user home in : ".$this->data['new']['dir'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG); + + if(!is_dir($this->data['new']['dir'].$jailkit_chroot_puserhome)) mkdir(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), 0755, true); + chown(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), $this->data['new']['puser']); + chgrp(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), $this->data['new']['pgroup']); + + $this->app->log("Added created jailkit parent user home in : ".$this->data['new']['dir'].$jailkit_chroot_puserhome,LOGLEVEL_DEBUG); + + /* + // ssh-rsa authentication variables + $sshrsa = escapeshellcmd($this->data['new']['ssh_rsa']); + $usrdir = escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome; + $sshdir = escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome.'/.ssh'; + $sshkeys= escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome.'/.ssh/authorized_keys'; + global $app; + + // determine the client id + $id = $this->data['new']['sys_groupid']; + if ($id>0) $id = $id -1; + + $user = $app->db->queryOneRecord("SELECT * FROM sys_user WHERE client_id = ".$id); + $userkey = $user['ssh_rsa']; + $username= $user['username']; + + // If this user has no key yet, generate a pair + if ($userkey == '') { - $command = '/usr/local/ispconfig/server/scripts/create_jailkit_user.sh'; - $command .= ' '.escapeshellcmd($this->data['new']['username']); - $command .= ' '.escapeshellcmd($this->data['new']['dir']); - $command .= ' '.$jailkit_chroot_userhome; - $command .= ' '.escapeshellcmd($this->data['new']['shell']); - $command .= ' '.$this->data['new']['puser']; - $command .= ' '.$jailkit_chroot_puserhome; - exec($command); + //Generate ssh-rsa-keys + exec('ssh-keygen -t rsa -C '.$username.'-rsa-key-'.time().' -f /tmp/id_rsa -N ""'); - $this->app->log("Added jailkit user to chroot with command: ".$command,LOGLEVEL_DEBUG); + $privatekey = file_get_contents('/tmp/id_rsa'); + $publickey = file_get_contents('/tmp/id_rsa.pub'); - exec("mkdir -p ".$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('rm -f /tmp/id_rsa /tmp/id_rsa.pub'); - $this->app->log("Added created jailkit user home in : ".$this->data['new']['dir'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG); + // Set the missing keypair + $app->db->query("UPDATE sys_user SET id_rsa='$privatekey' ,ssh_rsa='$publickey' WHERE client_id = ".$id); + $userkey = $publickey; - exec("mkdir -p ".$this->data['new']['dir'].$jailkit_chroot_puserhome); - exec("chown ".$this->data['new']['puser'].":".$this->data['new']['pgroup']." ".$this->data['new']['dir'].$jailkit_chroot_puserhome); - - $this->app->log("Added created jailkit parent user home in : ".$this->data['new']['dir'].$jailkit_chroot_puserhome,LOGLEVEL_DEBUG); - } + $this->app->log("ssh-rsa keypair generated for ".$username,LOGLEVEL_DEBUG); + + }; + + if (!file_exists($sshkeys)) + { + // add root's key + exec("mkdir '$sshdir'"); + exec("cat /root/.ssh/authorized_keys > '$sshkeys'"); + exec("echo '' >> '$sshkeys'"); + + // add the user's key + exec("echo '$userkey' >> '$sshkeys'"); + exec("echo '' >> '$sshkeys'"); + } + // add the custom key + exec("echo '$sshrsa' >> '$sshkeys'"); + exec("echo '' >> '$sshkeys'"); + + // set proper file permissions + exec("chown -R ".escapeshellcmd($this->data['new']['puser']).":".escapeshellcmd($this->data['new']['pgroup'])." ".$usrdir); + exec("chmod 600 '$sshkeys'"); + + $this->app->log("ssh-rsa key added to ".$sshkeys,LOGLEVEL_DEBUG); + */ } + //* Update the website root directory permissions depending on the security level + function _update_website_security_level() { + global $app,$conf; + + // load the server configuration options + $app->uses("getconf"); + $web_config = $app->getconf->get_server_config($conf["server_id"], 'web'); + + // Get the parent website of this shell user + $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".$this->data['new']['parent_domain_id']); + + //* If the security level is set to high + if($web_config['security_level'] == 20) { + $this->_exec('chmod 755 '.escapeshellcmd($web["document_root"])); + $this->_exec('chown root:root '.escapeshellcmd($web["document_root"])); + } + + } + //* Wrapper for exec function for easier debugging + private function _exec($command) { + global $app; + $app->log('exec: '.$command,LOGLEVEL_DEBUG); + exec($command); + } + private function _setup_ssh_rsa() { + global $app; + $this->app->log("ssh-rsa setup shelluser_jailkit",LOGLEVEL_DEBUG); + // Get the client ID, username, and the key + $domain_data = $this->app->db->queryOneRecord('SELECT sys_groupid FROM web_domain WHERE web_domain.domain_id = '.intval($this->data['new']['parent_domain_id'])); + $sys_group_data = $this->app->db->queryOneRecord('SELECT * FROM sys_group WHERE sys_group.groupid = '.intval($domain_data['sys_groupid'])); + $id = intval($sys_group_data['client_id']); + $username= $sys_group_data['name']; + $client_data = $this->app->db->queryOneRecord('SELECT * FROM client WHERE client.client_id = '.$id); + $userkey = $client_data['ssh_rsa']; + unset($domain_data); + unset($client_data); + + // ssh-rsa authentication variables + $sshrsa = $this->data['new']['ssh_rsa']; + $usrdir = escapeshellcmd($this->data['new']['dir']).'/'.$this->_get_home_dir($this->data['new']['username']); + $sshdir = $usrdir.'/.ssh'; + $sshkeys= $usrdir.'/.ssh/authorized_keys'; + + $app->uses('file'); + $sshrsa = $app->file->unix_nl($sshrsa); + $sshrsa = $app->file->remove_blank_lines($sshrsa,0); + + // If this user has no key yet, generate a pair + if ($userkey == '' && $id > 0){ + //Generate ssh-rsa-keys + exec('ssh-keygen -t rsa -C '.$username.'-rsa-key-'.time().' -f /tmp/id_rsa -N ""'); + + // use the public key that has been generated + $userkey = file_get_contents('/tmp/id_rsa.pub'); + + // save keypair in client table + $this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".file_get_contents('/tmp/id_rsa')."', ssh_rsa = '".$userkey."' WHERE client_id = ".$id); + + exec('rm -f /tmp/id_rsa /tmp/id_rsa.pub'); + $this->app->log("ssh-rsa keypair generated for ".$username,LOGLEVEL_DEBUG); + }; + + if (!file_exists($sshkeys)){ + // add root's key + $app->file->mkdirs($sshdir, '0755'); + if(is_file('/root/.ssh/authorized_keys')) file_put_contents($sshkeys, file_get_contents('/root/.ssh/authorized_keys')); + + // Remove duplicate keys + $existing_keys = file($sshkeys); + $new_keys = explode("\n", $userkey); + $final_keys_arr = array_merge($existing_keys, $new_keys); + $new_final_keys_arr = array(); + if(is_array($final_keys_arr) && !empty($final_keys_arr)){ + foreach($final_keys_arr as $key => $val){ + $new_final_keys_arr[$key] = trim($val); + } + } + $final_keys = implode("\n", array_flip(array_flip($new_final_keys_arr))); + + // add the user's key + file_put_contents($sshkeys, $final_keys); + $app->file->remove_blank_lines($sshkeys); + $this->app->log("ssh-rsa authorisation keyfile created in ".$sshkeys,LOGLEVEL_DEBUG); + } + if ($sshrsa != ''){ + // Remove duplicate keys + $existing_keys = file($sshkeys); + $new_keys = explode("\n", $sshrsa); + $final_keys_arr = array_merge($existing_keys, $new_keys); + $new_final_keys_arr = array(); + if(is_array($final_keys_arr) && !empty($final_keys_arr)){ + foreach($final_keys_arr as $key => $val){ + $new_final_keys_arr[$key] = trim($val); + } + } + $final_keys = implode("\n", array_flip(array_flip($new_final_keys_arr))); + + // add the custom key + file_put_contents($sshkeys, $final_keys); + $app->file->remove_blank_lines($sshkeys); + $this->app->log("ssh-rsa key updated in ".$sshkeys,LOGLEVEL_DEBUG); + } + // set proper file permissions + // exec("chown -R ".escapeshellcmd($this->data['new']['puser']).":".escapeshellcmd($this->data['new']['pgroup'])." ".$usrdir); + exec("chmod 600 '$sshkeys'"); + + } } // end class -?> \ No newline at end of file +?> -- Gitblit v1.9.1