From 95e8cecde56b679950d41444e8638b1acdb90a0c Mon Sep 17 00:00:00 2001 From: mcramer <m.cramer@pixcept.de> Date: Thu, 13 Sep 2012 09:31:56 -0400 Subject: [PATCH] Fixed: Domain names in rewrite rules need the . and special chars to be escaped --- server/plugins-available/shelluser_base_plugin.inc.php | 111 +++++++++++++++++++++++++++++++++++++++++++++---------- 1 files changed, 90 insertions(+), 21 deletions(-) diff --git a/server/plugins-available/shelluser_base_plugin.inc.php b/server/plugins-available/shelluser_base_plugin.inc.php index 58858a3..d63b6b2 100755 --- a/server/plugins-available/shelluser_base_plugin.inc.php +++ b/server/plugins-available/shelluser_base_plugin.inc.php @@ -72,7 +72,18 @@ $app->uses('system'); + //* Check if the resulting path is inside the docroot + $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($data['new']['parent_domain_id'])); + if(substr(realpath($data['new']['dir']),0,strlen($web['document_root'])) != $web['document_root']) { + $app->log('Directory of the shell user is outside of website docroot.',LOGLEVEL_WARN); + return false; + } + if($app->system->is_user($data['new']['puser'])) { + + //* Remove webfolder protection + $app->system->web_folder_protection($web['document_root'],false); + // Get the UID of the parent user $uid = intval($app->system->getuid($data['new']['puser'])); if($uid > $this->min_uid) { @@ -107,6 +118,9 @@ exec($command); $app->log("Disabling shelluser temporarily: ".$command,LOGLEVEL_DEBUG); } + + //* Add webfolder protection again + $app->system->web_folder_protection($web['document_root'],true); } else { $app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.",LOGLEVEL_ERROR); @@ -121,12 +135,20 @@ $app->uses('system'); + //* Check if the resulting path is inside the docroot + $web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($data['new']['parent_domain_id'])); + if(substr(realpath($data['new']['dir']),0,strlen($web['document_root'])) != $web['document_root']) { + $app->log('Directory of the shell user is outside of website docroot.',LOGLEVEL_WARN); + return false; + } + if($app->system->is_user($data['new']['puser'])) { // Get the UID of the parent user $uid = intval($app->system->getuid($data['new']['puser'])); if($uid > $this->min_uid) { // Check if the user that we want to update exists, if not, we insert it if($app->system->is_user($data['old']['username'])) { + /* $command = 'usermod'; $command .= ' --home '.escapeshellcmd($data['new']['dir']); $command .= ' --gid '.escapeshellcmd($data['new']['pgroup']); @@ -139,6 +161,9 @@ exec($command); $app->log("Executed command: $command ",LOGLEVEL_DEBUG); + */ + $groupinfo = posix_getgrnam($data['new']['pgroup']); + $app->system->usermod($data['old']['username'],0, $groupinfo[gid], $data['new']['dir'], $data['new']['shell'], $data['new']['password'], $data['new']['username']); $app->log("Updated shelluser: ".$data['old']['username'],LOGLEVEL_DEBUG); // call the ssh-rsa update function @@ -195,6 +220,7 @@ } private function _setup_ssh_rsa() { + global $app; $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'])); @@ -207,45 +233,88 @@ unset($client_data); // ssh-rsa authentication variables - $sshrsa = escapeshellcmd($this->data['new']['ssh_rsa']); + $sshrsa = $this->data['new']['ssh_rsa']; $usrdir = escapeshellcmd($this->data['new']['dir']); $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 == '' && $id>0) - { + if ($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 - $this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".file_get_contents('/tmp/id_rsa')."', ssh_rsa = '".file_get_contents('/tmp/id_rsa.pub')."' WHERE client_id = ".$id); - // and use the public key that has been generated - $userkey = file_get_contents('/tmp/id_rsa.pub') - ; + $this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".file_get_contents('/tmp/id_rsa')."', ssh_rsa = '".$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($sshkeys)) - { + + if (!file_exists($sshkeys)){ // add root's key - exec("mkdir '$sshdir'"); - exec("cat /root/.ssh/authorized_keys > '$sshkeys'"); - exec("echo '' >> '$sshkeys'"); + $app->file->mkdirs($sshdir, '0700'); + 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 - exec("echo '$userkey' >> '$sshkeys'"); - exec("echo '' >> '$sshkeys'"); + file_put_contents($sshkeys, $final_keys); + $app->file->remove_blank_lines($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); + + //* 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'])." ".$usrdir); + exec("chown -R ".escapeshellcmd($this->data['new']['puser']).":".escapeshellcmd($this->data['new']['pgroup'])." ".$sshdir); exec("chmod 600 '$sshkeys'"); } -- Gitblit v1.9.1