Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
<?php
/*
Copyright (c) 2008, Till Brehm, projektfarm Gmbh
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of ISPConfig nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
class shelluser_jailkit_plugin {
//* $plugin_name and $class_name have to be the same then the name of this class
var $plugin_name = 'shelluser_jailkit_plugin';
var $class_name = 'shelluser_jailkit_plugin';
/*
This function is called when the plugin is loaded
*/
function onLoad() {
global $app;
/*
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');
}
//* This function is called, when a shell user is inserted in the database
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();
}
$app->log("Jalikit Plugin -> insert username:".$data['new']['username'],LOGLEVEL_DEBUG);
}
//* This function is called, when a shell user is updated in the database
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();
}
$app->log("Jalikit Plugin -> update username:".$data['new']['username'],LOGLEVEL_DEBUG);
}
//* 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, $conf;
if ($data['old']['chroot'] == "jailkit")
{
$app->uses("getconf");
$this->jailkit_config = $app->getconf->get_server_config($conf["server_id"], 'jailkit');
$jailkit_chroot_userhome = $this->_get_home_dir($data['old']['username']);
//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);
}
$app->log("Jalikit Plugin -> delete username:".$data['old']['username'],LOGLEVEL_DEBUG);
}
function _setup_jailkit_chroot()
{
//check if the chroot environment is created yet if not create it with a list of program sections from the config
if (!is_dir($this->data['new']['dir'].'/etc/jailkit'))
{
$command = '/usr/local/ispconfig/server/scripts/create_jailkit_chroot.sh';
$command .= ' '.escapeshellcmd($this->data['new']['dir']);
$command .= ' \''.$this->jailkit_config['jailkit_chroot_app_sections'].'\'';
exec($command);
$this->app->log("Added jailkit chroot with command: ".$command,LOGLEVEL_DEBUG);
$this->_add_jailkit_programs();
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
//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());
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
}
}
function _add_jailkit_programs()
{
//copy over further programs and its libraries
$command = '/usr/local/ispconfig/server/scripts/create_jailkit_programs.sh';
$command .= ' '.escapeshellcmd($this->data['new']['dir']);
$command .= ' \''.$this->jailkit_config['jailkit_chroot_app_programs'].'\'';
exec($command);
$this->app->log("Added programs to jailkit chroot with command: ".$command,LOGLEVEL_DEBUG);
}
function _get_home_dir($username)
{
return str_replace("[username]",escapeshellcmd($username),$this->jailkit_config["jailkit_chroot_home"]);
}
function _add_jailkit_user()
{
//add the user to the chroot
$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))
{
$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);
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'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG);
exec("mkdir -p ".escapeshellcmd($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);