From f2ded16c1b28b471a5864aa7cfb96f68c44118f8 Mon Sep 17 00:00:00 2001 From: ftimme <ft@falkotimme.com> Date: Wed, 05 Sep 2012 11:13:10 -0400 Subject: [PATCH] - Fixed FS#2318 - Starting nginx nginx: [emerg] duplicate listen options for [ipv6]:80 --- server/plugins-available/shelluser_jailkit_plugin.inc.php | 229 +++++++++++++++++++++++++++++++++++++++++---------------- 1 files changed, 165 insertions(+), 64 deletions(-) diff --git a/server/plugins-available/shelluser_jailkit_plugin.inc.php b/server/plugins-available/shelluser_jailkit_plugin.inc.php index ffe94fa..322b1ba 100755 --- a/server/plugins-available/shelluser_jailkit_plugin.inc.php +++ b/server/plugins-available/shelluser_jailkit_plugin.inc.php @@ -71,6 +71,7 @@ global $app, $conf; $app->uses('system'); + $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".$data['new']['parent_domain_id']); if($app->system->is_user($data['new']['username'])) { @@ -79,6 +80,8 @@ */ if ($data['new']['chroot'] == "jailkit") { + $app->system->web_folder_protection($web['document_root'],false); + // load the server configuration options $app->uses("getconf"); $this->data = $data; @@ -91,10 +94,19 @@ $this->_add_jailkit_user(); - $command .= 'usermod -U '.escapeshellcmd($data['new']['username']); + //* call the ssh-rsa update function + $this->_setup_ssh_rsa(); + + //$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', '', ''); + + //* Unlock user + $command = 'usermod -U '.escapeshellcmd($data['new']['username']); exec($command); $this->_update_website_security_level(); + $app->system->web_folder_protection($web['document_root'],true); } $app->log("Jailkit Plugin -> insert username:".$data['new']['username'],LOGLEVEL_DEBUG); @@ -110,6 +122,7 @@ global $app, $conf; $app->uses('system'); + $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".$data['new']['parent_domain_id']); if($app->system->is_user($data['new']['username'])) { @@ -118,6 +131,8 @@ */ if ($data['new']['chroot'] == "jailkit") { + $app->system->web_folder_protection($web['document_root'],false); + // load the server configuration options $app->uses("getconf"); $this->data = $data; @@ -129,7 +144,12 @@ $this->_setup_jailkit_chroot(); $this->_add_jailkit_user(); + //* call the ssh-rsa update function + $this->_setup_ssh_rsa(); + $this->_update_website_security_level(); + + $app->system->web_folder_protection($web['document_root'],true); } $app->log("Jailkit Plugin -> update username:".$data['new']['username'],LOGLEVEL_DEBUG); @@ -149,6 +169,8 @@ $app->uses('system'); + $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".$data['old']['parent_domain_id']); + if ($data['old']['chroot'] == "jailkit") { $app->uses("getconf"); @@ -159,12 +181,16 @@ //commented out proved to be dangerous on config errors //exec('rm -rf '.$data['old']['dir'].$jailkit_chroot_userhome); + $app->system->web_folder_protection($web['document_root'],false); + if(@is_dir($data['old']['dir'].$jailkit_chroot_userhome)) { - $command = 'userdel'; + $command = 'userdel -f'; $command .= ' '.escapeshellcmd($data['old']['username']); exec($command); $app->log("Jailkit Plugin -> delete chroot home:".$data['old']['dir'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG); } + + $app->system->web_folder_protection($web['document_root'],true); } @@ -239,6 +265,8 @@ function _add_jailkit_user() { + 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']); @@ -258,76 +286,47 @@ $command .= ' '.$this->data['new']['puser']; $command .= ' '.$jailkit_chroot_puserhome; exec($command); + + //* 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 + /* + $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); + } + } + }*/ + + $app->system->usermod($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); - - mkdir(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), 0755, true); + + if(!is_dir($this->data['new']['dir'].$jailkit_chroot_userhome)) mkdir(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), 0755, true); chown(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), $this->data['new']['username']); chgrp(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), $this->data['new']['pgroup']); $this->app->log("Added created jailkit user home in : ".$this->data['new']['dir'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG); - mkdir(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), 0755, true); + if(!is_dir($this->data['new']['dir'].$jailkit_chroot_puserhome)) mkdir(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), 0755, true); chown(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), $this->data['new']['puser']); chgrp(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), $this->data['new']['pgroup']); - $this->app->log("Added created jailkit parent user home in : ".$this->data['new']['dir'].$jailkit_chroot_puserhome,LOGLEVEL_DEBUG); - /* - // ssh-rsa authentication variables - $sshrsa = escapeshellcmd($this->data['new']['ssh_rsa']); - $usrdir = escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome; - $sshdir = escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome.'/.ssh'; - $sshkeys= escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome.'/.ssh/authorized_keys'; - global $app; + $this->app->log("Added jailkit parent user home in : ".$this->data['new']['dir'].$jailkit_chroot_puserhome,LOGLEVEL_DEBUG); - // determine the client id - $id = $this->data['new']['sys_groupid']; - if ($id>0) $id = $id -1; - - $user = $app->db->queryOneRecord("SELECT * FROM sys_user WHERE client_id = ".$id); - $userkey = $user['ssh_rsa']; - $username= $user['username']; - - // If this user has no key yet, generate a pair - if ($userkey == '') - { - //Generate ssh-rsa-keys - exec('ssh-keygen -t rsa -C '.$username.'-rsa-key-'.time().' -f /tmp/id_rsa -N ""'); - - $privatekey = file_get_contents('/tmp/id_rsa'); - $publickey = file_get_contents('/tmp/id_rsa.pub'); - - exec('rm -f /tmp/id_rsa /tmp/id_rsa.pub'); - - // Set the missing keypair - $app->db->query("UPDATE sys_user SET id_rsa='$privatekey' ,ssh_rsa='$publickey' WHERE client_id = ".$id); - $userkey = $publickey; - - $this->app->log("ssh-rsa keypair generated for ".$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 '' >> '$sshkeys'"); - } - // add the custom key - exec("echo '$sshrsa' >> '$sshkeys'"); - exec("echo '' >> '$sshkeys'"); - - // set proper file permissions - exec("chown -R ".escapeshellcmd($this->data['new']['puser']).":".escapeshellcmd($this->data['new']['pgroup'])." ".$usrdir); - exec("chmod 600 '$sshkeys'"); - - $this->app->log("ssh-rsa key added to ".$sshkeys,LOGLEVEL_DEBUG); - */ + } //* Update the website root directory permissions depending on the security level @@ -342,9 +341,12 @@ $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".$this->data['new']['parent_domain_id']); //* If the security level is set to high - if($web_config['security_level'] == 20) { - $this->_exec('chmod 755 '.escapeshellcmd($web["document_root"])); - $this->_exec('chown root:root '.escapeshellcmd($web["document_root"])); + if($web_config['security_level'] == 20 && is_array($web)) { + $app->system->web_folder_protection($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); } } @@ -356,6 +358,105 @@ exec($command); } + private function _setup_ssh_rsa() { + global $app; + $this->app->log("ssh-rsa setup shelluser_jailkit",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 = $this->data['new']['ssh_rsa']; + $usrdir = escapeshellcmd($this->data['new']['dir']).'/'.$this->_get_home_dir($this->data['new']['username']); + $sshdir = $usrdir.'/.ssh'; + $sshkeys= $usrdir.'/.ssh/authorized_keys'; + + $app->uses('file'); + $sshrsa = $app->file->unix_nl($sshrsa); + $sshrsa = $app->file->remove_blank_lines($sshrsa,0); + + // 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 ""'); + + // use the public key that has been generated + $userkey = file_get_contents('/tmp/id_rsa.pub'); + + // save keypair in client table + $this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".file_get_contents('/tmp/id_rsa')."', ssh_rsa = '".$userkey."' WHERE client_id = ".$id); + + 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 + $app->file->mkdirs($sshdir, '0755'); + if(is_file('/root/.ssh/authorized_keys')) file_put_contents($sshkeys, file_get_contents('/root/.ssh/authorized_keys')); + + // Remove duplicate keys + $existing_keys = @file($sshkeys); + $new_keys = explode("\n", $userkey); + $final_keys_arr = @array_merge($existing_keys, $new_keys); + $new_final_keys_arr = array(); + if(is_array($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))); + + // add the user's key + file_put_contents($sshkeys, $final_keys); + $app->file->remove_blank_lines($sshkeys); + $this->app->log("ssh-rsa authorisation keyfile created in ".$sshkeys,LOGLEVEL_DEBUG); + } + //* Get the keys + $existing_keys = file($sshkeys); + $new_keys = explode("\n", $sshrsa); + $old_keys = explode("\n",$this->data['old']['ssh_rsa']); + + //* Remove all old keys + if(is_array($old_keys)) { + foreach($old_keys as $key => $val) { + $k = array_search(trim($val),$existing_keys); + unset($existing_keys[$k]); + } + } + + //* merge the remaining keys and the ones fom the ispconfig database. + if(is_array($new_keys)) { + $final_keys_arr = array_merge($existing_keys, $new_keys); + } else { + $final_keys_arr = $existing_keys; + } + + $new_final_keys_arr = array(); + if(is_array($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))); + + // add the custom key + file_put_contents($sshkeys, $final_keys); + $app->file->remove_blank_lines($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'])." ".$sshdir); + exec("chmod 700 ".$sshdir); + exec("chmod 600 '$sshkeys'"); + + } } // end class ?> -- Gitblit v1.9.1