tbrehm
2011-09-26 ba3e3e48e6ec4523ae26dc6c206d5bfdfa08d332
server/plugins-available/shelluser_base_plugin.inc.php
@@ -88,15 +88,22 @@
            exec($command);
            $app->log("Executed command: ".$command,LOGLEVEL_DEBUG);
            $app->log("Added shelluser: ".$data['new']['username'],LOGLEVEL_DEBUG);
            // call the ssh-rsa update function
            $app->uses("getconf");
            $this->data = $data;
            $this->app = $app;
            $this->_setup_ssh_rsa();
            
            //* Create .bash_history file
            exec('touch '.escapeshellcmd($data['new']['dir']).'/.bash_history');
            exec('chmod 755 '.escapeshellcmd($data['new']['dir']).'/.bash_history');
            exec('chown '.escapeshellcmd($data['new']['username']).':'.escapeshellcmd($data['new']['pgroup']).' '.escapeshellcmd($data['new']['dir']).'/.bash_history');
            touch(escapeshellcmd($data['new']['dir']).'/.bash_history');
            chmod(escapeshellcmd($data['new']['dir']).'/.bash_history', 0755);
            chown(escapeshellcmd($data['new']['dir']).'/.bash_history', escapeshellcmd($data['new']['username']));
            chgrp(escapeshellcmd($data['new']['dir']).'/.bash_history', escapeshellcmd($data['new']['pgroup']));
            
            //* Disable shell user temporarily if we use jailkit
            if($data['new']['chroot'] == 'jailkit') {
               $command = 'usermod -L '.escapeshellcmd($data['new']['username']);
               $command = 'usermod -s /bin/false -L '.escapeshellcmd($data['new']['username']);
               exec($command);
               $app->log("Disabling shelluser temporarily: ".$command,LOGLEVEL_DEBUG);
            }
@@ -105,7 +112,7 @@
            $app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.",LOGLEVEL_ERROR);
         }
      } else {
         $app->log("Skippung insert of user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.",LOGLEVEL_WARN);
         $app->log("Skipping insertion of user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.",LOGLEVEL_WARN);
      }
   }
   
@@ -133,13 +140,19 @@
               exec($command);
               $app->log("Executed command: $command ",LOGLEVEL_DEBUG);
               $app->log("Updated shelluser: ".$data['old']['username'],LOGLEVEL_DEBUG);
               // call the ssh-rsa update function
               $app->uses("getconf");
               $this->data = $data;
               $this->app = $app;
               $this->_setup_ssh_rsa();
               
               //* Create .bash_history file
               if(!is_file($data['new']['dir']).'/.bash_history') {
                  exec('touch '.escapeshellcmd($data['new']['dir']).'/.bash_history');
                  exec('chmod 755 '.escapeshellcmd($data['new']['dir']).'/.bash_history');
                  exec('chown '.escapeshellcmd($data['new']['username']).':'.escapeshellcmd($data['new']['pgroup']).' '.escapeshellcmd($data['new']['dir']).'/.bash_history');
                  touch(escapeshellcmd($data['new']['dir']).'/.bash_history');
                  chmod(escapeshellcmd($data['new']['dir']).'/.bash_history', 0755);
                  chown(escapeshellcmd($data['new']['dir']).'/.bash_history',escapeshellcmd($data['new']['username']));
                  chgrp(escapeshellcmd($data['new']['dir']).'/.bash_history',escapeshellcmd($data['new']['pgroup']));
               }
               
            } else {
@@ -150,7 +163,7 @@
            $app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.",LOGLEVEL_ERROR);
         }
      } else {
         $app->log("Skippung update for user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.",LOGLEVEL_WARN);
         $app->log("Skipping update for user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.",LOGLEVEL_WARN);
      }
   }
   
@@ -181,9 +194,63 @@
      
   }
   
   private function _setup_ssh_rsa() {
      $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']));
      $id = intval($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
      $sshrsa = escapeshellcmd($this->data['new']['ssh_rsa']);
      $usrdir = escapeshellcmd($this->data['new']['dir']);
      $sshdir = $usrdir.'/.ssh';
      $sshkeys= $usrdir.'/.ssh/authorized_keys';
      // If this user has no key yet, generate a pair
      if ($userkey == '' && $id>0)
      {
         //Generate ssh-rsa-keys
         exec('ssh-keygen -t rsa -C '.$username.'-rsa-key-'.time().' -f /tmp/id_rsa -N ""');
         // save keypair in client table
         $this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".file_get_contents('/tmp/id_rsa')."', ssh_rsa = '".file_get_contents('/tmp/id_rsa.pub')."' WHERE client_id = ".$id);
         // and use the public key that has been generated
         $userkey = file_get_contents('/tmp/id_rsa.pub')
         ;
         exec('rm -f /tmp/id_rsa /tmp/id_rsa.pub');
         $this->app->log("ssh-rsa keypair generated for ".$username,LOGLEVEL_DEBUG);
      };
      if (!file_exists($sshkeys))
      {
         // add root's key
         exec("mkdir '$sshdir'");
         exec("cat /root/.ssh/authorized_keys > '$sshkeys'");
         exec("echo '' >> '$sshkeys'");
         // add the user's key
         exec("echo '$userkey' >> '$sshkeys'");
         exec("echo '' >> '$sshkeys'");
         $this->app->log("ssh-rsa authorisation keyfile created in ".$sshkeys,LOGLEVEL_DEBUG);
      }
      if ($sshrsa!=''){
         // add the custom key
         exec("echo '$sshrsa' >> '$sshkeys'");
         exec("echo '' >> '$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
?>
?>