From fa2806bddf4ce838d30d7fab1b5300e8632c586d Mon Sep 17 00:00:00 2001 From: tbrehm <t.brehm@ispconfig.org> Date: Tue, 05 Jun 2012 10:31:34 -0400 Subject: [PATCH] Fixed: FS#2218 - Check if web root has wrong permissions for jailed cronjobs --- server/plugins-available/apache2_plugin.inc.php | 171 +++++++++++++++++++++++++++++++++++++++++++++----------- 1 files changed, 136 insertions(+), 35 deletions(-) diff --git a/server/plugins-available/apache2_plugin.inc.php b/server/plugins-available/apache2_plugin.inc.php index fb37e58..9f03c55 100644 --- a/server/plugins-available/apache2_plugin.inc.php +++ b/server/plugins-available/apache2_plugin.inc.php @@ -110,6 +110,13 @@ //* Create a SSL Certificate if($data['new']['ssl_action'] == 'create') { + + //* Rename files if they exist + if(file_exists($key_file)) rename($key_file,$key_file.'.bak'); + if(file_exists($key_file2)) rename($key_file2,$key_file2.'.bak'); + if(file_exists($csr_file)) rename($csr_file,$csr_file.'.bak'); + if(file_exists($crt_file)) rename($crt_file,$crt_file.'.bak'); + $rand_file = $ssl_dir.'/random_file'; $rand_data = md5(uniqid(microtime(),1)); for($i=0; $i<1000; $i++) { @@ -133,11 +140,11 @@ output_password = $ssl_password [ req_distinguished_name ] - C = ".$data['new']['ssl_country']." - ST = ".$data['new']['ssl_state']." - L = ".$data['new']['ssl_locality']." - O = ".$data['new']['ssl_organisation']." - OU = ".$data['new']['ssl_organisation_unit']." + C = ".trim($data['new']['ssl_country'])." + ST = ".trim($data['new']['ssl_state'])." + L = ".trim($data['new']['ssl_locality'])." + O = ".trim($data['new']['ssl_organisation'])." + OU = ".trim($data['new']['ssl_organisation_unit'])." CN = $domain emailAddress = webmaster@".$data['new']['domain']." @@ -288,21 +295,49 @@ $app->log('Websites cannot be owned by the root user or group.',LOGLEVEL_WARN); return 0; } + if(trim($data['new']['domain']) == '') { + $app->log('domain is empty',LOGLEVEL_WARN); + return 0; + } // Create group and user, if not exist $app->uses('system'); + + if($web_config['connect_userid_to_webid'] == 'y') { + //* Calculate the uid and gid + $connect_userid_to_webid_start = ($web_config['connect_userid_to_webid_start'] < 1000)?1000:intval($web_config['connect_userid_to_webid_start']); + $fixed_uid_gid = intval($connect_userid_to_webid_start + $data['new']['domain_id']); + $fixed_uid_param = '--uid '.$fixed_uid_gid; + $fixed_gid_param = '--gid '.$fixed_uid_gid; + + //* Check if a ispconfigend user and group exists and create them + if(!$app->system->is_group('ispconfigend')) { + exec('groupadd --gid '.($connect_userid_to_webid_start + 10000).' ispconfigend'); + } + if(!$app->system->is_user('ispconfigend')) { + exec('useradd -g ispconfigend -d /usr/local/ispconfig --uid '.($connect_userid_to_webid_start + 10000).' ispconfigend'); + } + } else { + $fixed_uid_param = ''; + $fixed_gid_param = ''; + } $groupname = escapeshellcmd($data['new']['system_group']); if($data['new']['system_group'] != '' && !$app->system->is_group($data['new']['system_group'])) { - exec('groupadd '.$groupname); + exec('groupadd '.$fixed_gid_param.' '.$groupname); if($apache_chrooted) $this->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' groupadd '.$groupname); $app->log('Adding the group: '.$groupname,LOGLEVEL_DEBUG); } $username = escapeshellcmd($data['new']['system_user']); if($data['new']['system_user'] != '' && !$app->system->is_user($data['new']['system_user'])) { - exec('useradd -d '.escapeshellcmd($data['new']['document_root'])." -g $groupname -G sshusers $username -s /bin/false"); - if($apache_chrooted) $this->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' useradd -d '.escapeshellcmd($data['new']['document_root'])." -g $groupname -G sshusers $username -s /bin/false"); + if($web_config['add_web_users_to_sshusers_group'] == 'y') { + exec('useradd -d '.escapeshellcmd($data['new']['document_root'])." -g $groupname $fixed_uid_param -G sshusers $username -s /bin/false"); + if($apache_chrooted) $this->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' useradd -d '.escapeshellcmd($data['new']['document_root'])." -g $groupname $fixed_uid_param -G sshusers $username -s /bin/false"); + } else { + exec('useradd -d '.escapeshellcmd($data['new']['document_root'])." -g $groupname $fixed_uid_param $username -s /bin/false"); + if($apache_chrooted) $this->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' useradd -d '.escapeshellcmd($data['new']['document_root'])." -g $groupname $fixed_uid_param $username -s /bin/false"); + } $app->log('Adding the user: '.$username,LOGLEVEL_DEBUG); } @@ -339,7 +374,13 @@ unset($tmp_docroot[count($tmp_docroot)-1]); $old_dir = implode('/',$tmp_docroot); - exec('rm -rf '.$data['new']['document_root']); + //* Check if there is already some data in the new docroot and rename it as we need a clean path to move the existing site to the new path + if(@is_dir($data['new']['document_root'])) { + rename($data['new']['document_root'],$data['new']['document_root'].'_bak_'.date('Y_m_d')); + $app->log('Renaming existing directory in new docroot location. mv '.$data['new']['document_root'].' '.$data['new']['document_root'].'_bak_'.date('Y_m_d'),LOGLEVEL_DEBUG); + } + + //* Create new base directory, if it does not exist yet if(!is_dir($new_dir)) exec('mkdir -p '.$new_dir); exec('mv '.$data['old']['document_root'].' '.$new_dir); $app->log('Moving site to new document root: mv '.$data['old']['document_root'].' '.$new_dir,LOGLEVEL_DEBUG); @@ -553,7 +594,7 @@ //* If the security level is set to high - if($this->action == 'insert' && $data['new']['type'] == 'vhost') { + if(($this->action == 'insert' && $data['new']['type'] == 'vhost') or ($web_config['set_folder_permissions_on_update'] == 'y' && $data['new']['type'] == 'vhost')) { if($web_config['security_level'] == 20) { $this->_exec('chmod 751 '.escapeshellcmd($data['new']['document_root'])); @@ -565,11 +606,13 @@ // Set Log symlink to 755 to make the logs accessible by the FTP user $this->_exec("chmod 755 ".escapeshellcmd($data["new"]["document_root"])."/log"); - - $command = 'usermod'; - $command .= ' --groups sshusers'; - $command .= ' '.escapeshellcmd($data['new']['system_user']); - $this->_exec($command); + + if($web_config['add_web_users_to_sshusers_group'] == 'y') { + $command = 'usermod'; + $command .= ' --groups sshusers'; + $command .= ' '.escapeshellcmd($data['new']['system_user']); + $this->_exec($command); + } //* if we have a chrooted Apache environment if($apache_chrooted) { @@ -585,17 +628,24 @@ //* add the Apache user to the client group $app->system->add_user_to_group($groupname, escapeshellcmd($web_config['user'])); - + + //* Chown all default directories $this->_exec('chown '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root'])); + $this->_exec('chown '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root'].'/cgi-bin')); + $this->_exec('chown '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root'].'/log')); + $this->_exec('chown '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root'].'/ssl')); + $this->_exec('chown '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root'].'/tmp')); + $this->_exec('chown -R '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root'].'/web')); /* * Workaround for jailkit: If jailkit is enabled for the site, the * website root has to be owned by the root user and we have to chmod it to 755 then */ - //* Check if there is a jailkit user for this site + //* Check if there is a jailkit user or cronjob for this site $tmp = $app->db->queryOneRecord('SELECT count(shell_user_id) as number FROM shell_user WHERE parent_domain_id = '.$data['new']['domain_id']." AND chroot = 'jailkit'"); - if($tmp['number'] > 0) { + $tmp2 = $app->db->queryOneRecord('SELECT count(id) as number FROM cron WHERE parent_domain_id = '.$data['new']['domain_id']." AND `type` = 'chrooted'"); + if($tmp['number'] > 0 || $tmp2['number'] > 0) { $this->_exec('chmod 755 '.escapeshellcmd($data['new']['document_root'])); $this->_exec('chown root:root '.escapeshellcmd($data['new']['document_root'])); } @@ -605,11 +655,20 @@ } else { $this->_exec('chmod 755 '.escapeshellcmd($data['new']['document_root'])); - $this->_exec('chmod 755 '.escapeshellcmd($data['new']['document_root'].'/*')); - $this->_exec('chown root:root '.escapeshellcmd($data['new']['document_root'])); - + $this->_exec('chmod 755 '.escapeshellcmd($data['new']['document_root'].'/cgi-bin')); + $this->_exec('chmod 755 '.escapeshellcmd($data['new']['document_root'].'/log')); + $this->_exec('chmod 755 '.escapeshellcmd($data['new']['document_root'].'/ssl')); + $this->_exec('chmod 755 '.escapeshellcmd($data['new']['document_root'].'/web')); + // make temp directory writable for Apache and the website users $this->_exec('chmod 777 '.escapeshellcmd($data['new']['document_root'].'/tmp')); + + $this->_exec('chown root:root '.escapeshellcmd($data['new']['document_root'])); + $this->_exec('chown '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root'].'/cgi-bin')); + $this->_exec('chown root:root '.escapeshellcmd($data['new']['document_root'].'/log')); + $this->_exec('chown '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root'].'/tmp')); + $this->_exec('chown '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root'].'/ssl')); + $this->_exec('chown '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root'].'/web')); } } @@ -618,9 +677,15 @@ $this->_exec('chown '.$username.':'.$groupname.' '.escapeshellcmd($data['new']['document_root']).'/log/error.log'); - //* Write the custom php.ini file, if custom_php_ini filed is not empty + //* Write the custom php.ini file, if custom_php_ini fieled is not empty $custom_php_ini_dir = $web_config['website_basedir'].'/conf/'.$data['new']['system_user']; if(!is_dir($web_config['website_basedir'].'/conf')) mkdir($web_config['website_basedir'].'/conf'); + + //* add open_basedir restriction to custom php.ini content, required for suphp only + if(!stristr($data['new']['custom_php_ini'],'open_basedir') && $data['new']['php'] == 'suphp') { + $data['new']['custom_php_ini'] .= "\nopen_basedir = '".$data['new']['php_open_basedir']."'\n"; + } + //* Create custom php.ini if(trim($data['new']['custom_php_ini']) != '') { $has_custom_php_ini = true; if(!is_dir($custom_php_ini_dir)) mkdir($custom_php_ini_dir); @@ -662,6 +727,11 @@ $vhost_data['ssl_domain'] = $data['new']['ssl_domain']; $vhost_data['has_custom_php_ini'] = $has_custom_php_ini; $vhost_data['custom_php_ini_dir'] = escapeshellcmd($custom_php_ini_dir); + + // Custom Apache directives + // Make sure we only have Unix linebreaks + $vhost_data['apache_directives'] = str_replace("\r\n", "\n", $vhost_data['apache_directives']); + $vhost_data['apache_directives'] = str_replace("\r", "\n", $vhost_data['apache_directives']); // Check if a SSL cert exists $ssl_dir = $data['new']['document_root'].'/ssl'; @@ -703,7 +773,7 @@ // Rewrite rules $rewrite_rules = array(); - if($data['new']['redirect_type'] != '') { + if($data['new']['redirect_type'] != '' && $data['new']['redirect_path'] != '') { if(substr($data['new']['redirect_path'],-1) != '/') $data['new']['redirect_path'] .= '/'; if(substr($data['new']['redirect_path'],0,8) == '[scheme]'){ $rewrite_target = 'http'.substr($data['new']['redirect_path'],8); @@ -769,7 +839,7 @@ } $app->log('Add server alias: '.$alias['domain'],LOGLEVEL_DEBUG); // Rewriting - if($alias['redirect_type'] != '') { + if($alias['redirect_type'] != '' && $alias['redirect_path'] != '') { if(substr($alias['redirect_path'],-1) != '/') $alias['redirect_path'] .= '/'; if(substr($alias['redirect_path'],0,8) == '[scheme]'){ $rewrite_target = 'http'.substr($alias['redirect_path'],8); @@ -1100,7 +1170,13 @@ if($apache_online_status_before_restart && !$apache_online_status_after_restart) { $app->log('Apache did not restart after the configuration change for website '.$data['new']['domain'].' Reverting the configuration. Saved non-working config as '.$vhost_file.'.err',LOGLEVEL_WARN); copy($vhost_file,$vhost_file.'.err'); - copy($vhost_file.'~',$vhost_file); + if(is_file($vhost_file.'~')) { + //* Copy back the last backup file + copy($vhost_file.'~',$vhost_file); + } else { + //* There is no backup file, so we create a empty vhost file with a warning message inside + file_put_contents($vhost_file,"# Apache did not start after modifying this vhost file.\n# Please check file $vhost_file.err for syntax errors."); + } $app->services->restartService('httpd','restart'); } } else { @@ -1320,12 +1396,18 @@ } //* Create the folder path, if it does not exist - if(!is_dir($folder_path)) exec('mkdir -p '.$folder_path); + if(!is_dir($folder_path)) { + exec('mkdir -p '.$folder_path); + chown($folder_path,$website['system_user']); + chgrp($folder_path,$website['system_group']); + } //* Create empty .htpasswd file, if it does not exist if(!is_file($folder_path.'.htpasswd')) { touch($folder_path.'.htpasswd'); chmod($folder_path.'.htpasswd',0755); + chown($folder_path.'.htpasswd',$website['system_user']); + chgrp($folder_path.'.htpasswd',$website['system_group']); $app->log('Created file '.$folder_path.'.htpasswd',LOGLEVEL_DEBUG); } @@ -1363,7 +1445,9 @@ //if(!is_file($folder_path.'.htaccess')) { $ht_file = "AuthType Basic\nAuthName \"Members Only\"\nAuthUserFile ".$folder_path.".htpasswd\nrequire valid-user"; file_put_contents($folder_path.'.htaccess',$ht_file); - chmod($folder_path.'.htpasswd',0755); + chmod($folder_path.'.htaccess',0755); + chown($folder_path.'.htaccess',$website['system_user']); + chgrp($folder_path.'.htaccess',$website['system_group']); $app->log('Created file '.$folder_path.'.htaccess',LOGLEVEL_DEBUG); //} @@ -1475,7 +1559,9 @@ $ht_file = "AuthType Basic\nAuthName \"Members Only\"\nAuthUserFile ".$new_folder_path.".htpasswd\nrequire valid-user"; file_put_contents($new_folder_path.'.htaccess',$ht_file); chmod($new_folder_path.'.htpasswd',0755); - $app->log('Created file '.$new_folder_path.'.htaccess',LOGLEVEL_DEBUG); + chown($folder_path.'.htpasswd',$website['system_user']); + chgrp($folder_path.'.htpasswd',$website['system_group']); + $app->log('Created file '.$new_folder_path.'.htpasswd',LOGLEVEL_DEBUG); } //* Remove .htaccess file @@ -1513,6 +1599,7 @@ $domain = $sitedata['domain']; $user = $sitedata['system_user']; $group = $sitedata['system_group']; + $webdav_user_dir = $documentRoot . '/webdav/' . $data['new']['dir']; /* Check if this is a chrooted setup */ if($web_config['website_basedir'] != '' && @is_file($web_config['website_basedir'].'/etc/passwd')) { @@ -1521,13 +1608,25 @@ } else { $apache_chrooted = false; } + + //* We dont want to have relative paths here + if(stristr($webdav_user_dir,'..') || stristr($webdav_user_dir,'./')) { + $app->log('Folder path '.$webdav_user_dir.' contains ./ or .. '.$documentRoot,LOGLEVEL_WARN); + return false; + } + + //* Check if the resulting path exists if yes, if it is inside the docroot + if(is_dir($webdav_user_dir) && substr(realpath($webdav_user_dir),0,strlen($documentRoot)) != $documentRoot) { + $app->log('Folder path '.$webdav_user_dir.' is outside of docroot '.$documentRoot,LOGLEVEL_WARN); + return false; + } /* * First the webdav-root - folder has to exist */ - if(!is_dir($documentRoot . '/webdav/' . $data['new']['dir'])) { - $app->log('Webdav User directory '.$documentRoot.'/webdav/'.$data['new']['dir'].' does not exist. Creating it now.',LOGLEVEL_DEBUG); - exec('mkdir -p '.escapeshellcmd($documentRoot . '/webdav/' . $data['new']['dir'])); + if(!is_dir($webdav_user_dir)) { + $app->log('Webdav User directory '.$webdav_user_dir.' does not exist. Creating it now.',LOGLEVEL_DEBUG); + exec('mkdir -p '.escapeshellcmd($webdav_user_dir)); } /* @@ -1540,19 +1639,19 @@ * The webdav folder (not the webdav-root!) needs the same (not in ONE step, because the * pwd-files are owned by root) */ - $this->_exec('chown ' . $user . ':' . $group . ' ' . escapeshellcmd($documentRoot . '/webdav/'. $data['new']['dir'] . ' -R')); - $this->_exec('chmod 770 ' . escapeshellcmd($documentRoot . '/webdav/' . $data['new']['dir'] . ' -R')); + $this->_exec('chown ' . $user . ':' . $group . ' ' . escapeshellcmd($webdav_user_dir.' -R')); + $this->_exec('chmod 770 ' . escapeshellcmd($webdav_user_dir.' -R')); /* * if the user is active, we have to write/update the password - file * if the user is inactive, we have to inactivate the user by removing the user from the file */ if ($data['new']['active'] == 'y') { - $this->_writeHtDigestFile( $documentRoot . '/webdav/' . $data['new']['dir'] . '.htdigest', $data['new']['username'], $data['new']['dir'], $data['new']['password']); + $this->_writeHtDigestFile( $webdav_user_dir . '.htdigest', $data['new']['username'], $data['new']['dir'], $data['new']['password']); } else { /* empty pwd removes the user! */ - $this->_writeHtDigestFile( $documentRoot . '/webdav/' . $data['new']['dir'] . '.htdigest', $data['new']['username'], $data['new']['dir'], ''); + $this->_writeHtDigestFile( $webdav_user_dir . '.htdigest', $data['new']['username'], $data['new']['dir'], ''); } /* @@ -1704,6 +1803,7 @@ $output .= " Alias /webdav/" . $fn . ' ' . $webdavRoot . '/' . $fn . "\n"; $output .= " <Location /webdav/" . $fn . ">\n"; $output .= " DAV On\n"; + $output .= ' BrowserMatch "MSIE" AuthDigestEnableQueryStringHack=On'."\n"; $output .= " AuthType Digest\n"; $output .= " AuthName \"" . $fn . "\"\n"; $output .= " AuthUserFile " . $webdavRoot . '/' . $file . "\n"; @@ -1748,6 +1848,7 @@ $awstats_conf_dir = $web_config['awstats_conf_dir']; + if(!is_dir($data['new']['document_root']."/web/stats/")) mkdir($data['new']['document_root']."/web/stats"); if(!@is_file($awstats_conf_dir.'/awstats.'.$data['new']['domain'].'.conf') || ($data['old']['domain'] != '' && $data['new']['domain'] != $data['old']['domain'])) { if ( @is_file($awstats_conf_dir.'/awstats.'.$data['old']['domain'].'.conf') ) { unlink($awstats_conf_dir.'/awstats.'.$data['old']['domain'].'.conf'); -- Gitblit v1.9.1