shelluser_jailkit_plugin.inc.php 19.4 KB
Newer Older
tbrehm's avatar
tbrehm committed
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
<?php

/*
Copyright (c) 2007, 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 {
32

tbrehm's avatar
tbrehm committed
33 34 35
	//* $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';
36
	var $min_uid = 499;
37

tbrehm's avatar
tbrehm committed
38 39 40 41
	//* This function is called during ispconfig installation to determine
	//  if a symlink shall be created for this plugin.
	function onInstall() {
		global $conf;
42

tbrehm's avatar
tbrehm committed
43 44 45 46 47
		if($conf['services']['web'] == true) {
			return true;
		} else {
			return false;
		}
48

tbrehm's avatar
tbrehm committed
49
	}
50 51


tbrehm's avatar
tbrehm committed
52 53 54
	/*
	 	This function is called when the plugin is loaded
	*/
55

tbrehm's avatar
tbrehm committed
56 57
	function onLoad() {
		global $app;
58

tbrehm's avatar
tbrehm committed
59 60 61
		/*
		Register for the events
		*/
62
		
63 64 65
		$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');
66
		
67

tbrehm's avatar
tbrehm committed
68
	}
69

tbrehm's avatar
tbrehm committed
70
	//* This function is called, when a shell user is inserted in the database
71
	function insert($event_name, $data) {
tbrehm's avatar
tbrehm committed
72
		global $app, $conf;
73

74 75 76 77 78 79 80 81 82
		$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;
		}
		
		
83
		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".$data['new']['parent_domain_id']);
84

Marius Cramer's avatar
Marius Cramer committed
85 86 87 88 89 90 91
		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;
		}

92 93 94 95 96 97
		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) {
			
				if($app->system->is_user($data['new']['username'])) {
98

99 100 101
					/**
					* Setup Jailkit Chroot System If Enabled
					*/
102

103 104
					if ($data['new']['chroot'] == "jailkit")
					{
105 106


107 108 109 110 111
						// 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');
112

113
						$this->_update_website_security_level();
114

115
						$app->system->web_folder_protection($web['document_root'], false);
116

117
						$this->_setup_jailkit_chroot();
118

119
						$this->_add_jailkit_user();
120

121 122
						//* call the ssh-rsa update function
						$this->_setup_ssh_rsa();
123

124 125 126
						//$command .= 'usermod -s /usr/sbin/jk_chrootsh -U '.escapeshellcmd($data['new']['username']);
						//exec($command);
						$app->system->usermod($data['new']['username'], 0, 0, '', '/usr/sbin/jk_chrootsh', '', '');
127

128 129 130
						//* Unlock user
						$command = 'usermod -U '.escapeshellcmd($data['new']['username']).' 2>/dev/null';
						exec($command);
131

132 133 134
						$this->_update_website_security_level();
						$app->system->web_folder_protection($web['document_root'], true);
					}
135

136
					$app->log("Jailkit Plugin -> insert username:".$data['new']['username'], LOGLEVEL_DEBUG);
137

138 139 140 141 142 143
				} else {
					$app->log("Jailkit Plugin -> insert username:".$data['new']['username']." skipped, the user does not exist.", LOGLEVEL_WARN);
				}
			} else {
				$app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.", LOGLEVEL_ERROR);
			}
tbrehm's avatar
tbrehm committed
144
		} else {
145
			$app->log("Skipping insertion of user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.", LOGLEVEL_WARN);
tbrehm's avatar
tbrehm committed
146
		}
147

tbrehm's avatar
tbrehm committed
148
	}
149

tbrehm's avatar
tbrehm committed
150
	//* This function is called, when a shell user is updated in the database
151
	function update($event_name, $data) {
tbrehm's avatar
tbrehm committed
152
		global $app, $conf;
153

154 155 156 157 158 159 160 161
		$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;
		}
		
162
		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".$data['new']['parent_domain_id']);
163

Marius Cramer's avatar
Marius Cramer committed
164 165 166 167 168 169 170
		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;
		}

171 172 173 174 175 176 177
		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) {
			
			
				if($app->system->is_user($data['new']['username'])) {
178

179 180 181 182 183
					/**
					* Setup Jailkit Chroot System If Enabled
					*/
					if ($data['new']['chroot'] == "jailkit")
					{
184

185 186 187 188 189
						// 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');
190

191
						$this->_update_website_security_level();
192

193
						$app->system->web_folder_protection($web['document_root'], false);
194

195 196
						$this->_setup_jailkit_chroot();
						$this->_add_jailkit_user();
197

198 199
						//* call the ssh-rsa update function
						$this->_setup_ssh_rsa();
200

201
						$this->_update_website_security_level();
202

203 204
						$app->system->web_folder_protection($web['document_root'], true);
					}
205

206
					$app->log("Jailkit Plugin -> update username:".$data['new']['username'], LOGLEVEL_DEBUG);
207

208 209 210 211 212
				} else {
					$app->log("Jailkit Plugin -> update username:".$data['new']['username']." skipped, the user does not exist.", LOGLEVEL_WARN);
				}
			} else {
				$app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.", LOGLEVEL_ERROR);
tbrehm's avatar
tbrehm committed
213 214
			}
		} else {
215
			$app->log("Skipping update for user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.", LOGLEVEL_WARN);
tbrehm's avatar
tbrehm committed
216
		}
217

tbrehm's avatar
tbrehm committed
218
	}
219

tbrehm's avatar
tbrehm committed
220 221 222
	//* This function is called, when a shell user is deleted in the database
	/**
	 * TODO: Remove chroot user home and from the chroot passwd file
223 224
	 */
	function delete($event_name, $data) {
tbrehm's avatar
tbrehm committed
225
		global $app, $conf;
226

227 228 229 230 231 232 233
		$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;
		}
234

235
		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".$data['old']['parent_domain_id']);
236

tbrehm's avatar
tbrehm committed
237 238 239 240
		if ($data['old']['chroot'] == "jailkit")
		{
			$app->uses("getconf");
			$this->jailkit_config = $app->getconf->get_server_config($conf["server_id"], 'jailkit');
241

tbrehm's avatar
tbrehm committed
242
			$jailkit_chroot_userhome = $this->_get_home_dir($data['old']['username']);
243

tbrehm's avatar
tbrehm committed
244 245
			//commented out proved to be dangerous on config errors
			//exec('rm -rf '.$data['old']['dir'].$jailkit_chroot_userhome);
246 247 248

			$app->system->web_folder_protection($web['document_root'], false);

tbrehm's avatar
tbrehm committed
249
			if(@is_dir($data['old']['dir'].$jailkit_chroot_userhome)) {
250
				$command = 'killall -u '.escapeshellcmd($data['old']['username']).' ; userdel -f';
251
				$command .= ' '.escapeshellcmd($data['old']['username']).' &> /dev/null';
tbrehm's avatar
tbrehm committed
252
				exec($command);
253
				$app->log("Jailkit Plugin -> delete chroot home:".$data['old']['dir'].$jailkit_chroot_userhome, LOGLEVEL_DEBUG);
tbrehm's avatar
tbrehm committed
254
			}
255 256 257

			$app->system->web_folder_protection($web['document_root'], true);

tbrehm's avatar
tbrehm committed
258
		}
259 260 261 262

		$app->log("Jailkit Plugin -> delete username:".$data['old']['username'], LOGLEVEL_DEBUG);


tbrehm's avatar
tbrehm committed
263
	}
264

tbrehm's avatar
tbrehm committed
265 266
	function _setup_jailkit_chroot()
	{
267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312
		global $app;

		//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.' 2>/dev/null');

			$this->app->log("Added jailkit chroot with command: ".$command, LOGLEVEL_DEBUG);

			$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($bashrc) || @is_link($bashrc)) unlink($bashrc);

			file_put_contents($bashrc, $tpl->grab());
			unset($tpl);

			$this->app->log("Added bashrc script : ".$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($motd) || @is_link($motd)) unlink($motd);

			$app->system->file_put_contents($motd, $tpl->grab());

		}
tbrehm's avatar
tbrehm committed
313
	}
314

tbrehm's avatar
tbrehm committed
315 316 317 318 319 320
	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'].'\'';
321
		exec($command.' 2>/dev/null');
322 323

		$this->app->log("Added programs to jailkit chroot with command: ".$command, LOGLEVEL_DEBUG);
tbrehm's avatar
tbrehm committed
324
	}
325

tbrehm's avatar
tbrehm committed
326 327
	function _get_home_dir($username)
	{
328
		return str_replace("[username]", escapeshellcmd($username), $this->jailkit_config['jailkit_chroot_home']);
tbrehm's avatar
tbrehm committed
329
	}
330

tbrehm's avatar
tbrehm committed
331 332
	function _add_jailkit_user()
	{
333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358
		global $app;

		//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($this->data['new']['dir'].'/etc')) mkdir($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.' 2>/dev/null');

		//* Change the homedir of the shell user and parent user
		//* We have to do this manually as the usermod command fails
		//* when the user is logged in or a command is running under that user
		/*
359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374
			$passwd_file_array = file('/etc/passwd');
			$passwd_out = '';
			if(is_array($passwd_file_array)) {
				foreach($passwd_file_array as $line) {
					$line = trim($line);
					$parts = explode(':',$line);
					if($parts[0] == $this->data['new']['username']) {
						$parts[5] = escapeshellcmd($this->data['new']['dir'].'/.'.$jailkit_chroot_userhome);
						$parts[6] = escapeshellcmd('/usr/sbin/jk_chrootsh');
						$new_line = implode(':',$parts);
						copy('/etc/passwd','/etc/passwd~');
						chmod('/etc/passwd~',0600);
						$app->uses('system');
						$app->system->replaceLine('/etc/passwd',$line,$new_line,1,0);
					}
				}
375
			}*/
376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393

		$app->system->usermod($this->data['new']['username'], 0, 0, $this->data['new']['dir'].'/.'.$jailkit_chroot_userhome, '/usr/sbin/jk_chrootsh');
		$app->system->usermod($this->data['new']['puser'], 0, 0, $this->data['new']['dir'].'/.'.$jailkit_chroot_userhome, '/usr/sbin/jk_chrootsh');

		$this->app->log("Added jailkit user to chroot with command: ".$command, LOGLEVEL_DEBUG);

		if(!is_dir($this->data['new']['dir'].$jailkit_chroot_userhome)) mkdir(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), 0755, true);
		$app->system->chown(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), $this->data['new']['username']);
		$app->system->chgrp(escapeshellcmd($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);
		$app->system->chown(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), $this->data['new']['puser']);
		$app->system->chgrp(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), $this->data['new']['pgroup']);

		$this->app->log("Added jailkit parent user home in : ".$this->data['new']['dir'].$jailkit_chroot_puserhome, LOGLEVEL_DEBUG);

394

tbrehm's avatar
tbrehm committed
395
	}
396

397 398
	//* Update the website root directory permissions depending on the security level
	function _update_website_security_level() {
399 400
		global $app, $conf;

401 402 403
		// load the server configuration options
		$app->uses("getconf");
		$web_config = $app->getconf->get_server_config($conf["server_id"], 'web');
404

405 406
		// 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']);
407

408
		//* If the security level is set to high
409
		if($web_config['security_level'] == 20 && is_array($web)) {
410 411 412 413 414
			$app->system->web_folder_protection($web["document_root"], false);
			$app->system->chmod($web["document_root"], 0755);
			$app->system->chown($web["document_root"], 'root');
			$app->system->chgrp($web["document_root"], 'root');
			$app->system->web_folder_protection($web["document_root"], true);
415
		}
416

417
	}
418

tbrehm's avatar
tbrehm committed
419 420 421
	//* Wrapper for exec function for easier debugging
	private function _exec($command) {
		global $app;
422
		$app->log('exec: '.$command, LOGLEVEL_DEBUG);
tbrehm's avatar
tbrehm committed
423 424
		exec($command);
	}
tbrehm's avatar
tbrehm committed
425

426
	private function _setup_ssh_rsa() {
427
		global $app;
428
		$this->app->log("ssh-rsa setup shelluser_jailkit", LOGLEVEL_DEBUG);
429
		// Get the client ID, username, and the key
430 431
		$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']));
432 433
		$id = intval($sys_group_data['client_id']);
		$username= $sys_group_data['name'];
434
		$client_data = $this->app->db->queryOneRecord('SELECT * FROM client WHERE client.client_id = '.$id);
435 436 437
		$userkey = $client_data['ssh_rsa'];
		unset($domain_data);
		unset($client_data);
438

439
		// ssh-rsa authentication variables
440
		$sshrsa = $this->data['new']['ssh_rsa'];
441
		$usrdir = escapeshellcmd($this->data['new']['dir']).'/'.$this->_get_home_dir($this->data['new']['username']);
442 443
		$sshdir = $usrdir.'/.ssh';
		$sshkeys= $usrdir.'/.ssh/authorized_keys';
444

445 446
		$app->uses('file');
		$sshrsa = $app->file->unix_nl($sshrsa);
447 448
		$sshrsa = $app->file->remove_blank_lines($sshrsa, 0);

449
		// If this user has no key yet, generate a pair
450
		if ($userkey == '' && $id > 0){
451 452
			//Generate ssh-rsa-keys
			exec('ssh-keygen -t rsa -C '.$username.'-rsa-key-'.time().' -f /tmp/id_rsa -N ""');
453

454
			// use the public key that has been generated
455
			$userkey = $app->system->file_get_contents('/tmp/id_rsa.pub');
456

457
			// save keypair in client table
458
			$this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".$app->db->quote($app->system->file_get_contents('/tmp/id_rsa'))."', ssh_rsa = '".$app->db->quote($userkey)."' WHERE client_id = ".$id);
459

460 461
			$app->system->unlink('/tmp/id_rsa');
			$app->system->unlink('/tmp/id_rsa.pub');
462
			$this->app->log("ssh-rsa keypair generated for ".$username, LOGLEVEL_DEBUG);
463
		};
464

465
		if (!file_exists($sshkeys)){
466
			// add root's key
467
			$app->file->mkdirs($sshdir, '0755');
468
			if(is_file('/root/.ssh/authorized_keys')) $app->system->file_put_contents($sshkeys, $app->system->file_get_contents('/root/.ssh/authorized_keys'));
469

470
			// Remove duplicate keys
471
			$existing_keys = @file($sshkeys);
472
			$new_keys = explode("\n", $userkey);
473
			$final_keys_arr = @array_merge($existing_keys, $new_keys);
474 475 476 477 478 479 480
			$new_final_keys_arr = array();
			if(is_array($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)));
481

482
			// add the user's key
483 484
			file_put_contents($sshkeys, $final_keys);
			$app->file->remove_blank_lines($sshkeys);
485
			$this->app->log("ssh-rsa authorisation keyfile created in ".$sshkeys, LOGLEVEL_DEBUG);
486
		}
487 488 489
		//* Get the keys
		$existing_keys = file($sshkeys);
		$new_keys = explode("\n", $sshrsa);
490 491
		$old_keys = explode("\n", $this->data['old']['ssh_rsa']);

492 493 494
		//* Remove all old keys
		if(is_array($old_keys)) {
			foreach($old_keys as $key => $val) {
495
				$k = array_search(trim($val), $existing_keys);
496
				unset($existing_keys[$k]);
497
			}
498
		}
499

500 501 502 503 504
		//* merge the remaining keys and the ones fom the ispconfig database.
		if(is_array($new_keys)) {
			$final_keys_arr = array_merge($existing_keys, $new_keys);
		} else {
			$final_keys_arr = $existing_keys;
505
		}
506

507 508 509 510 511 512 513
		$new_final_keys_arr = array();
		if(is_array($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)));
514 515

		// add the custom key
516
		$app->system->file_put_contents($sshkeys, $final_keys);
517
		$app->file->remove_blank_lines($sshkeys);
518 519
		$this->app->log("ssh-rsa key updated in ".$sshkeys, LOGLEVEL_DEBUG);

520
		// set proper file permissions
521 522
		exec("chown -R ".escapeshellcmd($this->data['new']['puser']).":".escapeshellcmd($this->data['new']['pgroup'])." ".$sshdir);
		exec("chmod 700 ".$sshdir);
523
		exec("chmod 600 '$sshkeys'");
524

525
	}
526

tbrehm's avatar
tbrehm committed
527 528
} // end class

529
?>