You are not logged in! Failed to run command.

"; return simplexml_load_string('', 'SimpleXMLElement', LIBXML_NOCDATA); } // Create xCAT request // Add command, node range, and arguments to request $request = simplexml_load_string(''); $request->addChild('command', $cmd); if (!empty($nr)) { $request->addChild('noderange', $nr); } if (!empty($args_array)) { foreach ($args_array as $a) { $request->addChild('arg',$a); } } // Add user and password to request $usernode=$request->addChild('becomeuser'); $usernode->addChild('username',$_SESSION["username"]); $usernode->addChild('password',getpassword()); $xml = submit_request($request, 0, $opts_array); return $xml; } /** * Used by docmd() to submit request to xCAT * * @param $req Tree of SimpleXML objects * @param $opts_array Request options * @return A tree of SimpleXML objects */ function submit_request($req, $skipVerify, $opts_array){ $xcathost = "localhost"; $port = "3001"; $rsp = FALSE; $response = ''; $cleanexit = 0; $flushtail = ''; // Determine whether to flush output or not $flush = false; if ($opts_array && in_array("flush", $opts_array)) { $flush = true; } // Determine how to handle the flush output // You can specify a function name, in place of TBD, to handle the flush output $flush_format = ""; if ($opts_array && in_array("flush-format=TBD", $opts_array)) { $flush_format = "TBD"; } // Open syslog, include the process ID and also send the log to standard error, // and use a user defined logging mechanism openlog("xCAT-UI", LOG_PID | LOG_PERROR, LOG_LOCAL0); // Open a socket to xcatd syslog(LOG_INFO, "Opening socket to xcatd..."); if ($fp = stream_socket_client('ssl://'.$xcathost.':'.$port, $errno, $errstr, 30, STREAM_CLIENT_CONNECT)){ $reqXML = $req->asXML(); $nr = $req->noderange; $cmd = $req->command; syslog(LOG_INFO, "Sending request: $cmd $nr"); stream_set_blocking($fp, 0); // Set as non-blocking fwrite($fp,$req->asXML()); // Send XML to xcatd set_time_limit(3600); // Set 15 minutes timeout (for long running requests) // The default is 30 seconds which is too short for some requests // Turn on output buffering ob_start(); if ($flush){ echo str_pad('',1024)."\n"; } while (!feof($fp)) { // Read until there is no more // Remove newlines and add it to the response $str = fread($fp, 8192); if ($str) { $response .= preg_replace('/>\n\s*<', $str); // Flush output to browser if ($flush) { $str = $flushtail . $str; if (preg_match('/[^>]+$/', $str, $matches)){ $flushtail = $matches[0]; $str = preg_replace('/[^>]+$/', '', $str); } else { $flushtail = ''; } $str = preg_replace('/.*<\/errorcode>/', '', $str); // Strip HTML tags from output if ($tmp = trim(strip_tags($str))) { // Format the output based on what was given for $flush_format if ($flush_format == "TDB") { format_TBD($tmp); } else { $tmp = preg_replace('/\n\s*/', "\n", $tmp); // Print out output by default echo '
' . $tmp . '
'; ob_flush(); flush(); } } } } // Look for serverdone response $fullpattern = '/\s*\s*<\/serverdone>\s*<\/xcatresponse>/'; $mixedpattern = '/\s*<\/serverdone>.*<\/xcatresponse>/'; $recentpattern = '/<\/xcatresponse>/'; if (preg_match($recentpattern,$str) && preg_match($mixedpattern,$response)) { // Transaction is done, package up XML and return it // Remove the serverdone response and put an xcat tag around the rest $count = 0; $response = preg_replace($fullpattern,'', $response, -1, $count); // 1st try to remove the long pattern if (!$count) { $response = preg_replace($mixedpattern,'', $response) . '/'; } $response = "$response"; $response = preg_replace('/>\n\s*<', $response); $response = preg_replace('/\n/', ':|:', $response); $rsp = simplexml_load_string($response,'SimpleXMLElement', LIBXML_NOCDATA); $cleanexit = 1; break; } } // End of while(!feof($fp)) syslog(LOG_INFO, "($cmd $nr) Sending response"); fclose($fp); } else { echo "

xCAT submit request socket error: $errno - $errstr

"; } // Flush (send) the output buffer and turn off output buffering ob_end_flush(); // Close syslog closelog(); if (!$cleanexit) { if (preg_match('/^\s*.*<\/xcatresponse>\s*$/',$response)) { // Probably an error message $response = "$response"; $rsp = simplexml_load_string($response,'SimpleXMLElement', LIBXML_NOCDATA); } else if (!$skipVerify) { echo "

(Error) xCAT response ended prematurely: ", htmlentities($response), "

"; $rsp = FALSE; } } return $rsp; } /** * Enable password storage to split between cookie and session variable */ function xorcrypt($data, $key) { $datalen = strlen($data); $keylen = strlen($key); for ($i=0;$i<$datalen;$i++) { $data[$i] = chr(ord($data[$i])^ord($key[$i])); } return $data; } /** * Get password */ function getpassword() { if (isset($GLOBALS['xcatauthsecret'])) { $cryptext = $GLOBALS['xcatauthsecret']; } else if (isset($_COOKIE["xcatauthsecret"])) { $cryptext = $_COOKIE["xcatauthsecret"]; } else { return false; } return xorcrypt($_SESSION["secretkey"], base64_decode($cryptext)); } /** * Get the password splitting knowledge between server and client side persistant storage. * Caller should regenerate session ID when contemplating a new user/password, * to preclude session fixation, though fixation is limited without the secret. * * @param $password Password */ function setpassword($password) { $randlen = strlen($password); $key = getrandchars($randlen); $cryptext = xorcrypt($password,$key); // Non-ascii characters, encode it in base64 $cryptext = base64_encode($cryptext); setcookie("xcatauthsecret",$cryptext,0,'/'); $GLOBALS["xcatauthsecret"] = $cryptext; $_SESSION["secretkey"] = $key; } /** * Get RAND characters * * @param $length Length of characters * @return RAND characters */ function getrandchars($length) { $charset = '0123456789abcdefghijklmnopqrstuvwxyz!@#$%^&*'; $charsize = strlen($charset); srand(); $chars = ''; for ($i=0;$i<$length;$i++) { $num=rand()%$charsize; $chars=$chars.substr($charset,$num,1); } return $chars; } /** * Determine if a user/password session exists * * @return True if user has a session, false otherwise */ function is_logged() { if (isset($_SESSION["username"]) and !is_bool(getpassword())) { return true; } else { return false; } } /** * Determine if a user is currently logged in successfully * * @return True if the user is currently logged in successfully, false otherwise */ function isAuthenticated() { if (is_logged()) { if ($_SESSION["xcatpassvalid"] != 1) { $testcred = docmd("authcheck", "", NULL, NULL); if (isset($testcred->{'xcatresponse'}->{'data'})) { $result = "".$testcred->{'xcatresponse'}->{'data'}; if (is_numeric(strpos("Authenticated",$result))) { // Logged in successfully $_SESSION["xcatpassvalid"] = 1; } else { // Not logged in $_SESSION["xcatpassvalid"] = 0; } } } } if (isset($_SESSION["xcatpassvalid"]) and $_SESSION["xcatpassvalid"]==1) { return true; } else { return false; } } /** * Determine if a user has root access * * @return True if the user has root access, false otherwise */ function isRootAcess() { if (is_logged() && $_SESSION["xcatpassvalid"]) { $testacc = docmd('tabdump', '', array('policy', '-w', "name==" . $_SESSION["username"]), array()); if (isset($testacc->{'xcatresponse'}->{'data'}->{1})) { $result = $testacc->{'xcatresponse'}->{'data'}->{1}; $result = str_replace('"', '', $result); $args = array(); $args = explode(",", $result); // Get the comments which contains the privilege $comments = $args[8]; $args = explode(";", $comments); // Default privilege is guest $privilege = 'guest'; $_SESSION["xcatpassvalid"] = 0; foreach ($args as $arg) { // Get user privilege if ($arg && is_numeric(strpos($arg, "privilege"))) { if (is_numeric(strpos($arg, "root"))) { // Set privilege to root $privilege = 'root'; $_SESSION["xcatpassvalid"] = 1; } break; } } } } if (strcmp($_SESSION["username"], 'root') == 0) { $_SESSION["xcatpassvalid"] = 1; } if (isset($_SESSION["xcatpassvalid"]) and $_SESSION["xcatpassvalid"]==1) { return true; } else { return false; } } /** * Log out of current user session */ function logout() { // Clear the secret cookie from browser if (isset($_COOKIE["xcatauthsecret"])) { setcookie("xcatauthsecret",'',time()-86400*7,'/'); } // Expire session cookie if (isset($_COOKIE[session_name()])) { setcookie(session_name(),"",time()-86400*7,"/"); } // Clear server store of data $_SESSION=array(); } /** * Format a given string and echo it back to the browser */ function format_TBD($str) { // Format a given string however you want it echo $tmp . '
'; flush(); } ?>