From a0fd5ab7b5412985324e970573ca22a27b3a94d3 Mon Sep 17 00:00:00 2001 From: tbrehm <t.brehm@ispconfig.org> Date: Tue, 16 Apr 2013 05:56:06 -0400 Subject: [PATCH] - Merged revisions 3922-3958 from svn stable branch - Added backup size to web backups --- server/lib/classes/system.inc.php | 375 +++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 359 insertions(+), 16 deletions(-) diff --git a/server/lib/classes/system.inc.php b/server/lib/classes/system.inc.php index 5de2f81..c958e8b 100644 --- a/server/lib/classes/system.inc.php +++ b/server/lib/classes/system.inc.php @@ -41,9 +41,9 @@ * @return system */ public function system(){ - global $go_info; - $this->server_id = $go_info['isp']['server_id']; - $this->server_conf = $go_info['isp']['server_conf']; + //global $go_info; + //$this->server_id = $go_info['isp']['server_id']; + //$this->server_conf = $go_info['isp']['server_conf']; $this->server_conf['passwd_datei'] = '/etc/passwd'; $this->server_conf['shadow_datei'] = '/etc/shadow'; $this->server_conf['group_datei'] = '/etc/group'; @@ -575,6 +575,58 @@ } /** + * Get the group id from an group + * + */ + function getgid($group){ + global $app; + if($this->is_group($group)){ + $group_datei = $this->server_conf['group_datei']; + $groups = $app->file->no_comments($group_datei); + $lines = explode("\n", $groups); + if(is_array($lines)){ + foreach($lines as $line){ + if(trim($line) != ""){ + list($f1, $f2, $f3, $f4) = explode(':', $line); + if($f1 == $group) return $f3; + } + } + } + } else { + return false; + } + } + + /** + * Return info about a group by name + * + */ + function posix_getgrnam($group) { + if(!function_exists('posix_getgrnam')){ + $group_datei = $this->server_conf['group_datei']; + $cmd = 'grep -m 1 "^'.$group.':" '.$group_datei; + exec($cmd, $output, $return_var); + if($return_var != 0 || !$output[0]) return false; + list($f1, $f2, $f3, $f4) = explode(':', $output[0]); + $f2 = trim($f2); + $f3 = trim($f3); + $f4 = trim($f4); + if($f4 != ''){ + $members = explode(',', $f4); + } else { + $members = array(); + } + $group_details = array( 'name' => $group, + 'passwd' => $f2, + 'members' => $members, + 'gid' => $f3); + return $group_details; + } else { + return posix_getgrnam($group); + } + } + + /** * Get all information from a user * */ @@ -610,18 +662,135 @@ * Edit the owner of a file * */ - function chown($file, $owner, $group = ''){ - $owner_change = @chown($file, $owner); - if($group != ''){ - $group_change = @chgrp($file, $group); - } else { - $group_change = 1; + function chown($file, $owner, $allow_symlink = false){ + global $app; + if($allow_symlink == false && $this->checkpath($file) == false) { + $app->log("Action aborted, file is a symlink: $file",LOGLEVEL_WARN); + return false; } - if($owner_change && $group_change){ - return true; - } else { - return false; + if(file_exists($file)) { + if(@chown($file, $owner)) { + return true; + } else { + $app->log("chown failed: $file : $owner",LOGLEVEL_DEBUG); + return false; + } } + } + + function chgrp($file, $group = '', $allow_symlink = false){ + global $app; + if($allow_symlink == false && $this->checkpath($file) == false) { + $app->log("Action aborted, file is a symlink: $file",LOGLEVEL_WARN); + return false; + } + if(file_exists($file)) { + if(@chgrp($file, $group)) { + return true; + } else { + $app->log("chgrp failed: $file : $group",LOGLEVEL_DEBUG); + return false; + } + } + } + + //* Change the mode of a file + function chmod($file, $mode, $allow_symlink = false) { + global $app; + if($allow_symlink == false && $this->checkpath($file) == false) { + $app->log("Action aborted, file is a symlink: $file",LOGLEVEL_WARN); + return false; + } + if(@chmod($file, $mode)) { + return true; + } else { + $app->log("chmod failed: $file : $mode",LOGLEVEL_DEBUG); + return false; + } + } + + function file_put_contents($filename, $data, $allow_symlink = false) { + global $app; + if($allow_symlink == false && $this->checkpath($filename) == false) { + $app->log("Action aborted, file is a symlink: $filename",LOGLEVEL_WARN); + return false; + } + if(file_exists($filename)) unlink($filename); + return file_put_contents($filename, $data); + } + + function file_get_contents($filename, $allow_symlink = false) { + global $app; + if($allow_symlink == false && $this->checkpath($filename) == false) { + $app->log("Action aborted, file is a symlink: $filename",LOGLEVEL_WARN); + return false; + } + return file_get_contents($filename, $data); + } + + function rename($filename, $new_filename, $allow_symlink = false) { + global $app; + if($allow_symlink == false && $this->checkpath($filename) == false) { + $app->log("Action aborted, file is a symlink: $filename",LOGLEVEL_WARN); + return false; + } + return rename($filename, $new_filename); + } + + function mkdir($dirname, $allow_symlink = false) { + global $app; + if($allow_symlink == false && $this->checkpath($dirname) == false) { + $app->log("Action aborted, file is a symlink: $dirname",LOGLEVEL_WARN); + return false; + } + if(@mkdir($dirname)) { + return true; + } else { + $app->log("mkdir failed: $dirname",LOGLEVEL_DEBUG); + return false; + } + } + + function unlink($filename) { + if(file_exists($filename) || is_link($filename)) { + return unlink($filename); + } + } + + function copy($file1,$file2) { + return copy($file1,$file2); + } + + function touch($file, $allow_symlink = false){ + global $app; + if($allow_symlink == false && @file_exists($file) && $this->checkpath($file) == false) { + $this->unlink($file); + } + if(@touch($file)) { + return true; + } else { + $app->log("touch failed: $file",LOGLEVEL_DEBUG); + return false; + } + } + + function checkpath($path) { + $path = trim($path); + //* We allow only absolute paths + if(substr($path,0,1) != '/') return false; + + //* We allow only some characters in the path + if(!preg_match('/[a-zA-Z0-9_\.\-]{1,}/',$path)) return false; + + //* Check path for symlinks + $path_parts = explode('/',$path); + $testpath = ''; + foreach($path_parts as $p) { + $testpath .= '/'.$p; + if(is_link($testpath)) return false; + } + + return true; } /** @@ -653,6 +822,7 @@ } } + /* function usermod($user, $groups){ global $app; if($this->is_user($user)){ @@ -692,6 +862,7 @@ return false; } } + */ /**boot autostart etc * @@ -1046,7 +1217,7 @@ function make_trashscan(){ global $app; //trashscan erstellen - // Template �ffnen + // Template Öffnen $app->tpl->clear_all(); $app->tpl->define( array(table => 'trashscan.master')); @@ -1132,6 +1303,11 @@ } function replaceLine($filename,$search_pattern,$new_line,$strict = 0,$append = 1) { + global $app; + if($this->checkpath($filename) == false) { + $app->log("Action aborted, file is a symlink: $filename",LOGLEVEL_WARN); + return false; + } $lines = @file($filename); $out = ''; $found = 0; @@ -1167,6 +1343,11 @@ } function removeLine($filename,$search_pattern,$strict = 0) { + global $app; + if($this->checkpath($filename) == false) { + $app->log("Action aborted, file is a symlink: $filename",LOGLEVEL_WARN); + return false; + } if($lines = @file($filename)) { $out = ''; foreach($lines as $line) { @@ -1200,8 +1381,8 @@ $user = escapeshellcmd($user); // I assume that the name of the (vmail group) is the same as the name of the mail user in ISPConfig 3 $group = $user; - if(is_dir($dir)) chown($dir,$user); - if(is_dir($dir)) chgrp($dir,$group); + if(is_dir($dir)) $this->chown($dir,$user); + if(is_dir($dir)) $this->chgrp($dir,$group); $chown_mdsub = true; } @@ -1253,6 +1434,168 @@ $app->log('Created Maildir '.$maildir_path.' with subfolder: '.$subfolder,LOGLEVEL_DEBUG); } + + //* Function to create directory paths and chown them to a user and group + function mkdirpath($path, $mode = 0755, $user = '', $group = '') { + $path_parts = explode('/',$path); + $new_path = ''; + if(is_array($path_parts)) { + foreach($path_parts as $part) { + $new_path .= '/'.$part; + if(!@is_dir($new_path)) { + $this->mkdir($new_path); + $this->chmod($new_path,$mode); + if($user != '') $this->chown($new_path,$user); + if($group != '') $this->chgrp($new_path,$group); + } + } + } + + } + + //* Check if a application is installed + function is_installed($appname) { + exec('which '.escapeshellcmd($appname).' 2> /dev/null',$out,$returncode); + if(isset($out[0]) && stristr($out[0],$appname) && $returncode == 0) { + return true; + } else { + return false; + } + } + + function web_folder_protection($document_root,$protect) { + global $app,$conf; + + if($this->checkpath($document_root) == false) { + $app->log("Action aborted, target is a symlink: $document_root",LOGLEVEL_DEBUG); + return false; + } + + //* load the server configuration options + $app->uses('getconf'); + $web_config = $app->getconf->get_server_config($conf['server_id'], 'web'); + + if($protect == true && $web_config['web_folder_protection'] == 'y') { + //* Add protection + if($document_root != '' && $document_root != '/' && strlen($document_root) > 6 && !stristr($document_root,'..')) exec('chattr +i '.escapeshellcmd($document_root)); + } else { + //* Remove protection + if($document_root != '' && $document_root != '/' && strlen($document_root) > 6 && !stristr($document_root,'..')) exec('chattr -i '.escapeshellcmd($document_root)); + } + } + + function usermod($username, $uid = 0, $gid = 0, $home = '', $shell = '', $password = '', $login = '') { + global $app; + + if($login == '') $login = $username; + + //* Change values in /etc/passwd + $passwd_file_array = file('/etc/passwd'); + if(is_array($passwd_file_array)) { + foreach($passwd_file_array as $line) { + $line = trim($line); + $parts = explode(':',$line); + if($parts[0] == $username) { + if(trim($login) != '' && trim($login) != trim($username)) $parts[0] = trim($login); + if(!empty($uid)) $parts[2] = trim($uid); + if(!empty($gid)) $parts[3] = trim($gid); + if(trim($home) != '') $parts[5] = trim($home); + if(trim($shell) != '') $parts[6] = trim($shell); + $new_line = implode(':',$parts); + copy('/etc/passwd','/etc/passwd~'); + chmod('/etc/passwd~',0600); + $app->uses('system'); + $app->system->replaceLine('/etc/passwd',$line,$new_line,1,0); + } + } + unset($passwd_file_array); + } + + //* If username != login, change username in group and gshadow file + if($username != $login) { + $group_file_array = file('/etc/group'); + if(is_array($group_file_array)) { + foreach($group_file_array as $line) { + $line = trim($line); + $parts = explode(':',$line); + if(strstr($parts[3],$username)) { + $uparts = explode(',',$parts[3]); + if(is_array($uparts)) { + foreach($uparts as $key => $val) { + if($val == $username) $uparts[$key] = $login; + } + } + $parts[3] = implode(',',$uparts); + $new_line = implode(':',$parts); + copy('/etc/group','/etc/group~'); + chmod('/etc/group~',0600); + $app->system->replaceLine('/etc/group',$line,$new_line,1,0); + } + } + } + unset($group_file_array); + + $gshadow_file_array = file('/etc/gshadow'); + if(is_array($gshadow_file_array)) { + foreach($gshadow_file_array as $line) { + $line = trim($line); + $parts = explode(':',$line); + if(strstr($parts[3],$username)) { + $uparts = explode(',',$parts[3]); + if(is_array($uparts)) { + foreach($uparts as $key => $val) { + if($val == $username) $uparts[$key] = $login; + } + } + $parts[3] = implode(',',$uparts); + $new_line = implode(':',$parts); + copy('/etc/gshadow','/etc/gshadow~'); + chmod('/etc/gshadow~',0600); + $app->system->replaceLine('/etc/gshadow',$line,$new_line,1,0); + } + } + } + unset($group_file_array); + } + + + //* When password or login name has been changed + if($password != '' || $username != $login) { + $shadow_file_array = file('/etc/shadow'); + if(is_array($shadow_file_array)) { + foreach($shadow_file_array as $line) { + $line = trim($line); + $parts = explode(':',$line); + if($parts[0] == $username) { + if(trim($login) != '' && trim($login) != trim($username)) $parts[0] = trim($login); + if(trim($password) != '') $parts[1] = trim($password); + $new_line = implode(':',$parts); + copy('/etc/shadow','/etc/shadow~'); + chmod('/etc/shadow~',0600); + $app->system->replaceLine('/etc/shadow',$line,$new_line,1,0); + } + } + } + unset($shadow_file_array); + } + } + + function intval($string, $force_numeric = false) { + if(intval($string) == 2147483647) { + if($force_numeric == true) return floatval($string); + elseif(preg_match('/^([-]?)[0]*([1-9][0-9]*)([^0-9].*)*$/', $string, $match)) return $match[1].$match[2]; + else return 0; + } else { + return intval($string); + } + } + + function is_mounted($mountpoint){ + //$cmd = 'df 2>/dev/null | grep " '.$mountpoint.'$"'; + $cmd = 'mount 2>/dev/null | grep " on '.$mountpoint.' type "'; + exec($cmd, $output, $return_var); + return $return_var == 0 ? true : false; + } } ?> -- Gitblit v1.9.1