From e1ceb050e19c7574bca146a8da7047ee4ff456b5 Mon Sep 17 00:00:00 2001
From: Marius Burkard <m.burkard@pixcept.de>
Date: Sun, 10 Jul 2016 05:02:35 -0400
Subject: [PATCH] Merge branch 'stable-3.1'
---
server/plugins-available/shelluser_base_plugin.inc.php | 278 ++++++++++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 242 insertions(+), 36 deletions(-)
diff --git a/server/plugins-available/shelluser_base_plugin.inc.php b/server/plugins-available/shelluser_base_plugin.inc.php
index 33d8875..71275d2 100755
--- a/server/plugins-available/shelluser_base_plugin.inc.php
+++ b/server/plugins-available/shelluser_base_plugin.inc.php
@@ -58,37 +58,78 @@
/*
Register for the events
*/
-
+
$app->plugins->registerEvent('shell_user_insert', $this->plugin_name, 'insert');
$app->plugins->registerEvent('shell_user_update', $this->plugin_name, 'update');
$app->plugins->registerEvent('shell_user_delete', $this->plugin_name, 'delete');
-
+
}
function insert($event_name, $data) {
global $app, $conf;
-
- $app->uses('system');
-
- //* Check if the resulting path is inside the docroot
- $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($data['new']['parent_domain_id']));
- if(substr(realpath($data['new']['dir']), 0, strlen($web['document_root'])) != $web['document_root']) {
- $app->log('Directory of the shell user is outside of website docroot.', LOGLEVEL_WARN);
+
+ $app->uses('system,getconf');
+
+ $security_config = $app->getconf->get_security_config('permissions');
+ if($security_config['allow_shell_user'] != 'yes') {
+ $app->log('Shell user plugin disabled by security settings.',LOGLEVEL_WARN);
return false;
}
- if($app->system->is_user($data['new']['puser'])) {
+ //* Check if the resulting path is inside the docroot
+ $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $data['new']['parent_domain_id']);
+ if(substr($data['new']['dir'],0,strlen($web['document_root'])) != $web['document_root']) {
+ $app->log('Directory of the shell user is outside of website docroot.',LOGLEVEL_WARN);
+ return false;
+ }
+ if(strpos($data['new']['dir'], '/../') !== false || substr($data['new']['dir'],-3) == '/..') {
+ $app->log('Directory of the shell user is not valid.',LOGLEVEL_WARN);
+ return false;
+ }
+
+ if(!$app->system->is_allowed_user($data['new']['username'], false, false)
+ || !$app->system->is_allowed_user($data['new']['puser'], true, true)
+ || !$app->system->is_allowed_group($data['new']['pgroup'], true, true)) {
+ $app->log('Shell user must not be root or in group root.',LOGLEVEL_WARN);
+ return false;
+ }
- //* Remove webfolder protection
- $app->system->web_folder_protection($web['document_root'], false);
+ if($data['new']['active'] != 'y') $data['new']['shell'] = '/bin/false';
+
+ if($app->system->is_user($data['new']['puser'])) {
// Get the UID of the parent user
$uid = intval($app->system->getuid($data['new']['puser']));
if($uid > $this->min_uid) {
+ //* Remove webfolder protection
+ $app->system->web_folder_protection($web['document_root'], false);
+
+ //* Home directory of the new shell user
+ if($data['new']['chroot'] == 'jailkit') {
+ $homedir = $data['new']['dir'];
+ } else {
+ $homedir = $data['new']['dir'].'/home/'.$data['new']['username'];
+ }
+
+ // Create home base directory if it does not exist
+ if(!is_dir($data['new']['dir'].'/home')){
+ $app->file->mkdirs(escapeshellcmd($data['new']['dir'].'/home'), '0755');
+ }
+
+ // Change ownership of home base dir to root user
+ $app->system->chown(escapeshellcmd($data['new']['dir'].'/home'),'root');
+ $app->system->chgrp(escapeshellcmd($data['new']['dir'].'/home'),'root');
+ $app->system->chmod(escapeshellcmd($data['new']['dir'].'/home'),0755);
+
+ if(!is_dir($homedir)){
+ $app->file->mkdirs(escapeshellcmd($homedir), '0750');
+ $app->system->chown(escapeshellcmd($homedir),escapeshellcmd($data['new']['puser']),false);
+ $app->system->chgrp(escapeshellcmd($homedir),escapeshellcmd($data['new']['pgroup']),false);
+ }
$command = 'useradd';
- $command .= ' -d '.escapeshellcmd($data['new']['dir']);
+ $command .= ' -d '.escapeshellcmd($homedir);
$command .= ' -g '.escapeshellcmd($data['new']['pgroup']);
$command .= ' -o '; // non unique
if($data['new']['password'] != '') $command .= ' -p '.escapeshellcmd($data['new']['password']);
@@ -99,6 +140,10 @@
exec($command);
$app->log("Executed command: ".$command, LOGLEVEL_DEBUG);
$app->log("Added shelluser: ".$data['new']['username'], LOGLEVEL_DEBUG);
+
+ $app->system->chown(escapeshellcmd($data['new']['dir']),escapeshellcmd($data['new']['username']),false);
+ $app->system->chgrp(escapeshellcmd($data['new']['dir']),escapeshellcmd($data['new']['pgroup']),false);
+
// call the ssh-rsa update function
$app->uses("getconf");
@@ -107,10 +152,16 @@
$this->_setup_ssh_rsa();
//* Create .bash_history file
- $app->system->touch(escapeshellcmd($data['new']['dir']).'/.bash_history');
- $app->system->chmod(escapeshellcmd($data['new']['dir']).'/.bash_history', 0755);
- $app->system->chown(escapeshellcmd($data['new']['dir']).'/.bash_history', $data['new']['username']);
- $app->system->chgrp(escapeshellcmd($data['new']['dir']).'/.bash_history', $data['new']['pgroup']);
+ $app->system->touch(escapeshellcmd($homedir).'/.bash_history');
+ $app->system->chmod(escapeshellcmd($homedir).'/.bash_history', 0750);
+ $app->system->chown(escapeshellcmd($homedir).'/.bash_history', $data['new']['username']);
+ $app->system->chgrp(escapeshellcmd($homedir).'/.bash_history', $data['new']['pgroup']);
+
+ //* Create .profile file
+ $app->system->touch(escapeshellcmd($homedir).'/.profile');
+ $app->system->chmod(escapeshellcmd($homedir).'/.profile', 0644);
+ $app->system->chown(escapeshellcmd($homedir).'/.profile', $data['new']['username']);
+ $app->system->chgrp(escapeshellcmd($homedir).'/.profile', $data['new']['pgroup']);
//* Disable shell user temporarily if we use jailkit
if($data['new']['chroot'] == 'jailkit') {
@@ -121,7 +172,6 @@
//* Add webfolder protection again
$app->system->web_folder_protection($web['document_root'], true);
-
} else {
$app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.", LOGLEVEL_ERROR);
}
@@ -133,21 +183,54 @@
function update($event_name, $data) {
global $app, $conf;
- $app->uses('system');
-
- //* Check if the resulting path is inside the docroot
- $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($data['new']['parent_domain_id']));
- if(substr(realpath($data['new']['dir']), 0, strlen($web['document_root'])) != $web['document_root']) {
- $app->log('Directory of the shell user is outside of website docroot.', LOGLEVEL_WARN);
+ $app->uses('system,getconf');
+
+ $security_config = $app->getconf->get_security_config('permissions');
+ if($security_config['allow_shell_user'] != 'yes') {
+ $app->log('Shell user plugin disabled by security settings.',LOGLEVEL_WARN);
return false;
}
+ //* Check if the resulting path is inside the docroot
+ $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $data['new']['parent_domain_id']);
+ if(substr($data['new']['dir'],0,strlen($web['document_root'])) != $web['document_root']) {
+ $app->log('Directory of the shell user is outside of website docroot.',LOGLEVEL_WARN);
+ return false;
+ }
+
+ if(strpos($data['new']['dir'], '/../') !== false || substr($data['new']['dir'],-3) == '/..') {
+ $app->log('Directory of the shell user is not valid.',LOGLEVEL_WARN);
+ return false;
+ }
+
+ if(!$app->system->is_allowed_user($data['new']['username'], false, false)
+ || !$app->system->is_allowed_user($data['new']['puser'], true, true)
+ || !$app->system->is_allowed_group($data['new']['pgroup'], true, true)) {
+ $app->log('Shell user must not be root or in group root.',LOGLEVEL_WARN);
+ return false;
+ }
+
+ if($data['new']['active'] != 'y') $data['new']['shell'] = '/bin/false';
+
if($app->system->is_user($data['new']['puser'])) {
// Get the UID of the parent user
$uid = intval($app->system->getuid($data['new']['puser']));
if($uid > $this->min_uid) {
+
+ //* Home directory of the shell user
+ if($data['new']['chroot'] == 'jailkit') {
+ $homedir = $data['new']['dir'];
+ $homedir_old = $data['old']['dir'];
+ } else {
+ $homedir = $data['new']['dir'].'/home/'.$data['new']['username'];
+ $homedir_old = $data['old']['dir'].'/home/'.$data['old']['username'];
+ }
+
// Check if the user that we want to update exists, if not, we insert it
if($app->system->is_user($data['old']['username'])) {
+ //* Remove webfolder protection
+ $app->system->web_folder_protection($web['document_root'], false);
+
/*
$command = 'usermod';
$command .= ' --home '.escapeshellcmd($data['new']['dir']);
@@ -163,7 +246,32 @@
$app->log("Executed command: $command ",LOGLEVEL_DEBUG);
*/
//$groupinfo = $app->system->posix_getgrnam($data['new']['pgroup']);
- $app->system->usermod($data['old']['username'], 0, $app->system->getgid($data['new']['pgroup']), $data['new']['dir'], $data['new']['shell'], $data['new']['password'], $data['new']['username']);
+ if($homedir != $homedir_old && !is_dir($homedir)){
+ $app->system->web_folder_protection($web['document_root'], false);
+ if(!is_dir($data['new']['dir'].'/home')){
+ $app->file->mkdirs(escapeshellcmd($data['new']['dir'].'/home'), '0750');
+ $app->system->chown(escapeshellcmd($data['new']['dir'].'/home'),escapeshellcmd($data['new']['puser']));
+ $app->system->chgrp(escapeshellcmd($data['new']['dir'].'/home'),escapeshellcmd($data['new']['pgroup']));
+ }
+ $app->file->mkdirs(escapeshellcmd($homedir), '0755');
+ $app->system->chown(escapeshellcmd($homedir),'root');
+ $app->system->chgrp(escapeshellcmd($homedir),'root');
+ $app->system->web_folder_protection($web['document_root'], true);
+ } else {
+ if(!is_dir($homedir)){
+ $app->system->web_folder_protection($web['document_root'], false);
+ if(!is_dir($data['new']['dir'].'/home')){
+ $app->file->mkdirs(escapeshellcmd($data['new']['dir'].'/home'), '0755');
+ $app->system->chown(escapeshellcmd($data['new']['dir'].'/home'),'root');
+ $app->system->chgrp(escapeshellcmd($data['new']['dir'].'/home'),'root');
+ }
+ $app->file->mkdirs(escapeshellcmd($homedir), '0750');
+ $app->system->chown(escapeshellcmd($homedir),escapeshellcmd($data['new']['puser']));
+ $app->system->chgrp(escapeshellcmd($homedir),escapeshellcmd($data['new']['pgroup']));
+ $app->system->web_folder_protection($web['document_root'], true);
+ }
+ }
+ $app->system->usermod($data['old']['username'], 0, $app->system->getgid($data['new']['pgroup']), $homedir, $data['new']['shell'], $data['new']['password'], $data['new']['username']);
$app->log("Updated shelluser: ".$data['old']['username'], LOGLEVEL_DEBUG);
// call the ssh-rsa update function
@@ -174,12 +282,22 @@
//* Create .bash_history file
if(!is_file($data['new']['dir']).'/.bash_history') {
- $app->system->touch(escapeshellcmd($data['new']['dir']).'/.bash_history');
- $app->system->chmod(escapeshellcmd($data['new']['dir']).'/.bash_history', 0755);
- $app->system->chown(escapeshellcmd($data['new']['dir']).'/.bash_history', escapeshellcmd($data['new']['username']));
- $app->system->chgrp(escapeshellcmd($data['new']['dir']).'/.bash_history', escapeshellcmd($data['new']['pgroup']));
+ $app->system->touch(escapeshellcmd($homedir).'/.bash_history');
+ $app->system->chmod(escapeshellcmd($homedir).'/.bash_history', 0750);
+ $app->system->chown(escapeshellcmd($homedir).'/.bash_history', escapeshellcmd($data['new']['username']));
+ $app->system->chgrp(escapeshellcmd($homedir).'/.bash_history', escapeshellcmd($data['new']['pgroup']));
+ }
+
+ //* Create .profile file
+ if(!is_file($data['new']['dir']).'/.profile') {
+ $app->system->touch(escapeshellcmd($homedir).'/.profile');
+ $app->system->chmod(escapeshellcmd($homedir).'/.profile', 0644);
+ $app->system->chown(escapeshellcmd($homedir).'/.profile', escapeshellcmd($data['new']['username']));
+ $app->system->chgrp(escapeshellcmd($homedir).'/.profile', escapeshellcmd($data['new']['pgroup']));
}
+ //* Add webfolder protection again
+ $app->system->web_folder_protection($web['document_root'], true);
} else {
// The user does not exist, so we insert it now
$this->insert($event_name, $data);
@@ -195,18 +313,92 @@
function delete($event_name, $data) {
global $app, $conf;
- $app->uses('system');
+ $app->uses('system,getconf,services');
+
+ $security_config = $app->getconf->get_security_config('permissions');
+ if($security_config['allow_shell_user'] != 'yes') {
+ $app->log('Shell user plugin disabled by security settings.',LOGLEVEL_WARN);
+ return false;
+ }
if($app->system->is_user($data['old']['username'])) {
// Get the UID of the user
$userid = intval($app->system->getuid($data['old']['username']));
if($userid > $this->min_uid) {
+ $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($data['old']['parent_domain_id']));
+
+ // check if we have to delete the dir
+ $check = $app->db->queryOneRecord('SELECT shell_user_id FROM `shell_user` WHERE `dir` = ?', $data['old']['dir']);
+ if(!$check && is_dir($data['old']['dir'])) {
+
+ $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $data['old']['parent_domain_id']);
+ $app->system->web_folder_protection($web['document_root'], false);
+
+ // delete dir
+ if($data['new']['chroot'] == 'jailkit') {
+ $homedir = $data['old']['dir'];
+ } else {
+ $homedir = $data['old']['dir'].'/home/'.$data['old']['username'];
+ }
+
+ if(substr($homedir, -1) !== '/') $homedir .= '/';
+ $files = array('.bash_logout', '.bash_history', '.bashrc', '.profile');
+ $dirs = array('.ssh', '.cache');
+ foreach($files as $delfile) {
+ if(is_file($homedir . $delfile) && fileowner($homedir . $delfile) == $userid) unlink($homedir . $delfile);
+ }
+ foreach($dirs as $deldir) {
+ if(is_dir($homedir . $deldir) && fileowner($homedir . $deldir) == $userid) exec('rm -rf ' . escapeshellarg($homedir . $deldir));
+ }
+ $empty = true;
+ $dirres = opendir($homedir);
+ if($dirres) {
+ while(($entry = readdir($dirres)) !== false) {
+ if($entry != '.' && $entry != '..') {
+ $empty = false;
+ break;
+ }
+ }
+ closedir($dirres);
+ }
+ if($empty == true) {
+ rmdir($homedir);
+ }
+ unset($files);
+ unset($dirs);
+
+ $app->system->web_folder_protection($web['document_root'], true);
+ }
+
// We delete only non jailkit users, jailkit users will be deleted by the jailkit plugin.
if ($data['old']['chroot'] != "jailkit") {
- $command = 'userdel -f';
+ // if this web uses PHP-FPM, that PPH-FPM service must be stopped before we can delete this user
+ if($web['php'] == 'php-fpm'){
+ if(trim($web['fastcgi_php_version']) != ''){
+ $default_php_fpm = false;
+ list($custom_php_fpm_name, $custom_php_fpm_init_script, $custom_php_fpm_ini_dir, $custom_php_fpm_pool_dir) = explode(':', trim($web['fastcgi_php_version']));
+ } else {
+ $default_php_fpm = true;
+ }
+ $web_config = $app->getconf->get_server_config($conf["server_id"], 'web');
+ if(!$default_php_fpm){
+ $app->services->restartService('php-fpm', 'stop:'.$custom_php_fpm_init_script);
+ } else {
+ $app->services->restartService('php-fpm', 'stop:'.$conf['init_scripts'].'/'.$web_config['php_fpm_init_script']);
+ }
+ }
+ $command = 'killall -u '.escapeshellcmd($data['old']['username']).' ; userdel -f';
$command .= ' '.escapeshellcmd($data['old']['username']).' &> /dev/null';
exec($command);
$app->log("Deleted shelluser: ".$data['old']['username'], LOGLEVEL_DEBUG);
+ // start PHP-FPM again
+ if($web['php'] == 'php-fpm'){
+ if(!$default_php_fpm){
+ $app->services->restartService('php-fpm', 'start:'.$custom_php_fpm_init_script);
+ } else {
+ $app->services->restartService('php-fpm', 'start:'.$conf['init_scripts'].'/'.$web_config['php_fpm_init_script']);
+ }
+ }
}
} else {
@@ -222,18 +414,32 @@
global $app;
$this->app->log("ssh-rsa setup shelluser_base", 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']));
+ $domain_data = $this->app->db->queryOneRecord('SELECT sys_groupid FROM web_domain WHERE web_domain.domain_id = ?', $this->data['new']['parent_domain_id']);
+ $sys_group_data = $this->app->db->queryOneRecord('SELECT * FROM sys_group WHERE sys_group.groupid = ?', $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);
+ $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 = $this->data['new']['ssh_rsa'];
+ //$sshrsa = $this->data['new']['ssh_rsa'];
+ $sshrsa = '';
+ $ssh_users = $app->db->queryAllRecords("SELECT ssh_rsa FROM shell_user WHERE parent_domain_id = ?", $this->data['new']['parent_domain_id']);
+ if(is_array($ssh_users)) {
+ foreach($ssh_users as $sshu) {
+ if($sshu['ssh_rsa'] != '') $sshrsa .= "\n".$sshu['ssh_rsa'];
+ }
+ }
+ $sshrsa = trim($sshrsa);
$usrdir = escapeshellcmd($this->data['new']['dir']);
+ //* Home directory of the new shell user
+ if($this->data['new']['chroot'] == 'jailkit') {
+ $usrdir = escapeshellcmd($this->data['new']['dir']);
+ } else {
+ $usrdir = escapeshellcmd($this->data['new']['dir'].'/home/'.$this->data['new']['username']);
+ }
$sshdir = $usrdir.'/.ssh';
$sshkeys= $usrdir.'/.ssh/authorized_keys';
@@ -250,7 +456,7 @@
$userkey = $app->system->file_get_contents('/tmp/id_rsa.pub');
// save keypair in client table
- $this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".$app->db->quote($app->system->file_get_contents('/tmp/id_rsa'))."', ssh_rsa = '".$app->db->quote($userkey)."' WHERE client_id = ".$id);
+ $this->app->db->query("UPDATE client SET created_at = UNIX_TIMESTAMP(), id_rsa = ?, ssh_rsa = ? WHERE client_id = ?", $app->system->file_get_contents('/tmp/id_rsa'), $userkey, $id);
$app->system->unlink('/tmp/id_rsa');
$app->system->unlink('/tmp/id_rsa.pub');
--
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