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<?php |
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/* |
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* MikoPBX - free phone system for small business |
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* Copyright © 2017-2023 Alexey Portnov and Nikolay Beketov |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along with this program. |
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* If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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namespace MikoPBX\Core\System\Configs; |
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use MikoPBX\Core\System\MikoPBXConfig; |
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use MikoPBX\Core\System\Notifications; |
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use MikoPBX\Core\System\Processes; |
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use MikoPBX\Core\System\Util; |
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use MikoPBX\Core\Workers\WorkerPrepareAdvices; |
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use Phalcon\Di\Injectable; |
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/** |
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* Class SSHConf |
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* |
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* Represents the SSH configuration. |
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* |
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* @package MikoPBX\Core\System\Configs |
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*/ |
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class SSHConf extends Injectable |
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{ |
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private MikoPBXConfig $mikoPBXConfig; |
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/** |
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* SSHConf constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->mikoPBXConfig = new MikoPBXConfig(); |
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} |
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/** |
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* Configures SSH settings. |
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* |
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* @return bool |
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*/ |
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public function configure(): bool |
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{ |
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$lofFile = '/var/log/lastlog'; |
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if(!file_exists($lofFile)){ |
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file_put_contents($lofFile, ''); |
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} |
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$dropBearDir = '/etc/dropbear'; |
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Util::mwMkdir($dropBearDir); |
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$keytypes = [ |
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"rsa" => "SSHRsaKey", |
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"dss" => "SSHDssKey", |
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"ecdsa" => "SSHecdsaKey" |
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]; |
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$options = ($this->mikoPBXConfig->getGeneralSettings('SSHDisablePasswordLogins') === '1')?'-s':''; |
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// Get keys from DB |
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$dropbearkeyPath = Util::which('dropbearkey'); |
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$dropbearPath = Util::which('dropbear'); |
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foreach ($keytypes as $keytype => $db_key) { |
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$res_keyfilepath = "{$dropBearDir}/dropbear_" . $keytype . "_host_key"; |
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$key = $this->mikoPBXConfig->getGeneralSettings($db_key); |
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$key = (isset($key) && is_string($key)) ? trim($key) : ""; |
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if (strlen($key) > 100) { |
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// Store key to file |
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file_put_contents($res_keyfilepath, base64_decode($key)); |
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} |
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// If key not exists, we will generate and store new one into file and database |
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if ( ! file_exists($res_keyfilepath)) { |
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// Generation |
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Processes::mwExec("{$dropbearkeyPath} -t $keytype -f $res_keyfilepath"); |
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// Storing |
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$new_key = base64_encode(file_get_contents($res_keyfilepath)); |
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$this->mikoPBXConfig->setGeneralSettings($db_key, $new_key); |
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} |
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} |
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$ssh_port = escapeshellcmd($this->mikoPBXConfig->getGeneralSettings('SSHPort')); |
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// Set root password |
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$this->updateShellPassword(); |
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// Restart ssh server |
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Processes::killByName('dropbear'); |
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usleep(500000); |
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$result = Processes::mwExec("{$dropbearPath} -p '{$ssh_port}' $options -c /etc/rc/hello > /var/log/dropbear_start.log"); |
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$this->generateAuthorizedKeys(); |
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return ($result === 0); |
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} |
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/** |
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* Stores authorized_keys from DB to files. |
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* |
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* @return void |
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*/ |
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public function generateAuthorizedKeys(): void |
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{ |
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$ssh_dir = '/root/.ssh'; |
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Util::mwMkdir($ssh_dir); |
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$conf_data = $this->mikoPBXConfig->getGeneralSettings('SSHAuthorizedKeys'); |
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file_put_contents("{$ssh_dir}/authorized_keys", $conf_data); |
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} |
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/** |
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* Sets up the root user password. |
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* |
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* @return void |
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*/ |
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public function updateShellPassword(): void |
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{ |
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$password = $this->mikoPBXConfig->getGeneralSettings('SSHPassword'); |
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$hashString = $this->mikoPBXConfig->getGeneralSettings('SSHPasswordHashString'); |
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$disablePassLogin = $this->mikoPBXConfig->getGeneralSettings('SSHDisablePasswordLogins'); |
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$echoPath = Util::which('echo'); |
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$chPasswdPath = Util::which('chpasswd'); |
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$passwdPath = Util::which('passwd'); |
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Processes::mwExec("{$passwdPath} -l www"); |
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if($disablePassLogin === '1'){ |
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Processes::mwExec("{$passwdPath} -l root"); |
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}else{ |
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Processes::mwExec("{$echoPath} 'root:$password' | {$chPasswdPath}"); |
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} |
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$this->mikoPBXConfig->setGeneralSettings('SSHPasswordHash', md5_file('/etc/passwd')); |
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if($hashString !== md5($password)){ |
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$this->mikoPBXConfig->setGeneralSettings('SSHPasswordHashString', md5($password)); |
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Notifications::sendAdminNotification('adv_SSHPasswordWasChangedSubject', ['adv_SSHPasswordWasChangedBody'],true); |
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WorkerPrepareAdvices::afterChangeSSHConf(); |
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} |
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} |
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} |
mikopbx /
Core
