diff options
Diffstat (limited to 'platform/www/vendor/phpseclib/phpseclib/phpseclib/Net/SSH1.php')
| -rw-r--r-- | platform/www/vendor/phpseclib/phpseclib/phpseclib/Net/SSH1.php | 1645 |
1 files changed, 1645 insertions, 0 deletions
diff --git a/platform/www/vendor/phpseclib/phpseclib/phpseclib/Net/SSH1.php b/platform/www/vendor/phpseclib/phpseclib/phpseclib/Net/SSH1.php new file mode 100644 index 0000000..ff48d54 --- /dev/null +++ b/platform/www/vendor/phpseclib/phpseclib/phpseclib/Net/SSH1.php @@ -0,0 +1,1645 @@ +<?php + +/** + * Pure-PHP implementation of SSHv1. + * + * PHP version 5 + * + * Here's a short example of how to use this library: + * <code> + * <?php + * include 'vendor/autoload.php'; + * + * $ssh = new \phpseclib\Net\SSH1('www.domain.tld'); + * if (!$ssh->login('username', 'password')) { + * exit('Login Failed'); + * } + * + * echo $ssh->exec('ls -la'); + * ?> + * </code> + * + * Here's another short example: + * <code> + * <?php + * include 'vendor/autoload.php'; + * + * $ssh = new \phpseclib\Net\SSH1('www.domain.tld'); + * if (!$ssh->login('username', 'password')) { + * exit('Login Failed'); + * } + * + * echo $ssh->read('username@username:~$'); + * $ssh->write("ls -la\n"); + * echo $ssh->read('username@username:~$'); + * ?> + * </code> + * + * More information on the SSHv1 specification can be found by reading + * {@link http://www.snailbook.com/docs/protocol-1.5.txt protocol-1.5.txt}. + * + * @category Net + * @package SSH1 + * @author Jim Wigginton <terrafrost@php.net> + * @copyright 2007 Jim Wigginton + * @license http://www.opensource.org/licenses/mit-license.html MIT License + * @link http://phpseclib.sourceforge.net + */ + +namespace phpseclib\Net; + +use phpseclib\Crypt\DES; +use phpseclib\Crypt\Random; +use phpseclib\Crypt\TripleDES; +use phpseclib\Math\BigInteger; + +/** + * Pure-PHP implementation of SSHv1. + * + * @package SSH1 + * @author Jim Wigginton <terrafrost@php.net> + * @access public + */ +class SSH1 +{ + /**#@+ + * Encryption Methods + * + * @see \phpseclib\Net\SSH1::getSupportedCiphers() + * @access public + */ + /** + * No encryption + * + * Not supported. + */ + const CIPHER_NONE = 0; + /** + * IDEA in CFB mode + * + * Not supported. + */ + const CIPHER_IDEA = 1; + /** + * DES in CBC mode + */ + const CIPHER_DES = 2; + /** + * Triple-DES in CBC mode + * + * All implementations are required to support this + */ + const CIPHER_3DES = 3; + /** + * TRI's Simple Stream encryption CBC + * + * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, does define it (see cipher.h), + * although it doesn't use it (see cipher.c) + */ + const CIPHER_BROKEN_TSS = 4; + /** + * RC4 + * + * Not supported. + * + * @internal According to the SSH1 specs: + * + * "The first 16 bytes of the session key are used as the key for + * the server to client direction. The remaining 16 bytes are used + * as the key for the client to server direction. This gives + * independent 128-bit keys for each direction." + * + * This library currently only supports encryption when the same key is being used for both directions. This is + * because there's only one $crypto object. Two could be added ($encrypt and $decrypt, perhaps). + */ + const CIPHER_RC4 = 5; + /** + * Blowfish + * + * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, defines it (see cipher.h) and + * uses it (see cipher.c) + */ + const CIPHER_BLOWFISH = 6; + /**#@-*/ + + /**#@+ + * Authentication Methods + * + * @see \phpseclib\Net\SSH1::getSupportedAuthentications() + * @access public + */ + /** + * .rhosts or /etc/hosts.equiv + */ + const AUTH_RHOSTS = 1; + /** + * pure RSA authentication + */ + const AUTH_RSA = 2; + /** + * password authentication + * + * This is the only method that is supported by this library. + */ + const AUTH_PASSWORD = 3; + /** + * .rhosts with RSA host authentication + */ + const AUTH_RHOSTS_RSA = 4; + /**#@-*/ + + /**#@+ + * Terminal Modes + * + * @link http://3sp.com/content/developer/maverick-net/docs/Maverick.SSH.PseudoTerminalModesMembers.html + * @access private + */ + const TTY_OP_END = 0; + /**#@-*/ + + /** + * The Response Type + * + * @see \phpseclib\Net\SSH1::_get_binary_packet() + * @access private + */ + const RESPONSE_TYPE = 1; + + /** + * The Response Data + * + * @see \phpseclib\Net\SSH1::_get_binary_packet() + * @access private + */ + const RESPONSE_DATA = 2; + + /**#@+ + * Execution Bitmap Masks + * + * @see \phpseclib\Net\SSH1::bitmap + * @access private + */ + const MASK_CONSTRUCTOR = 0x00000001; + const MASK_CONNECTED = 0x00000002; + const MASK_LOGIN = 0x00000004; + const MASK_SHELL = 0x00000008; + /**#@-*/ + + /**#@+ + * @access public + * @see \phpseclib\Net\SSH1::getLog() + */ + /** + * Returns the message numbers + */ + const LOG_SIMPLE = 1; + /** + * Returns the message content + */ + const LOG_COMPLEX = 2; + /** + * Outputs the content real-time + */ + const LOG_REALTIME = 3; + /** + * Dumps the content real-time to a file + */ + const LOG_REALTIME_FILE = 4; + /**#@-*/ + + /**#@+ + * @access public + * @see \phpseclib\Net\SSH1::read() + */ + /** + * Returns when a string matching $expect exactly is found + */ + const READ_SIMPLE = 1; + /** + * Returns when a string matching the regular expression $expect is found + */ + const READ_REGEX = 2; + /**#@-*/ + + /** + * The SSH identifier + * + * @var string + * @access private + */ + var $identifier = 'SSH-1.5-phpseclib'; + + /** + * The Socket Object + * + * @var object + * @access private + */ + var $fsock; + + /** + * The cryptography object + * + * @var object + * @access private + */ + var $crypto = false; + + /** + * Execution Bitmap + * + * The bits that are set represent functions that have been called already. This is used to determine + * if a requisite function has been successfully executed. If not, an error should be thrown. + * + * @var int + * @access private + */ + var $bitmap = 0; + + /** + * The Server Key Public Exponent + * + * Logged for debug purposes + * + * @see self::getServerKeyPublicExponent() + * @var string + * @access private + */ + var $server_key_public_exponent; + + /** + * The Server Key Public Modulus + * + * Logged for debug purposes + * + * @see self::getServerKeyPublicModulus() + * @var string + * @access private + */ + var $server_key_public_modulus; + + /** + * The Host Key Public Exponent + * + * Logged for debug purposes + * + * @see self::getHostKeyPublicExponent() + * @var string + * @access private + */ + var $host_key_public_exponent; + + /** + * The Host Key Public Modulus + * + * Logged for debug purposes + * + * @see self::getHostKeyPublicModulus() + * @var string + * @access private + */ + var $host_key_public_modulus; + + /** + * Supported Ciphers + * + * Logged for debug purposes + * + * @see self::getSupportedCiphers() + * @var array + * @access private + */ + var $supported_ciphers = array( + self::CIPHER_NONE => 'No encryption', + self::CIPHER_IDEA => 'IDEA in CFB mode', + self::CIPHER_DES => 'DES in CBC mode', + self::CIPHER_3DES => 'Triple-DES in CBC mode', + self::CIPHER_BROKEN_TSS => 'TRI\'s Simple Stream encryption CBC', + self::CIPHER_RC4 => 'RC4', + self::CIPHER_BLOWFISH => 'Blowfish' + ); + + /** + * Supported Authentications + * + * Logged for debug purposes + * + * @see self::getSupportedAuthentications() + * @var array + * @access private + */ + var $supported_authentications = array( + self::AUTH_RHOSTS => '.rhosts or /etc/hosts.equiv', + self::AUTH_RSA => 'pure RSA authentication', + self::AUTH_PASSWORD => 'password authentication', + self::AUTH_RHOSTS_RSA => '.rhosts with RSA host authentication' + ); + + /** + * Server Identification + * + * @see self::getServerIdentification() + * @var string + * @access private + */ + var $server_identification = ''; + + /** + * Protocol Flags + * + * @see self::__construct() + * @var array + * @access private + */ + var $protocol_flags = array(); + + /** + * Protocol Flag Log + * + * @see self::getLog() + * @var array + * @access private + */ + var $protocol_flag_log = array(); + + /** + * Message Log + * + * @see self::getLog() + * @var array + * @access private + */ + var $message_log = array(); + + /** + * Real-time log file pointer + * + * @see self::_append_log() + * @var resource + * @access private + */ + var $realtime_log_file; + + /** + * Real-time log file size + * + * @see self::_append_log() + * @var int + * @access private + */ + var $realtime_log_size; + + /** + * Real-time log file wrap boolean + * + * @see self::_append_log() + * @var bool + * @access private + */ + var $realtime_log_wrap; + + /** + * Interactive Buffer + * + * @see self::read() + * @var array + * @access private + */ + var $interactiveBuffer = ''; + + /** + * Timeout + * + * @see self::setTimeout() + * @access private + */ + var $timeout; + + /** + * Current Timeout + * + * @see self::_get_channel_packet() + * @access private + */ + var $curTimeout; + + /** + * Log Boundary + * + * @see self::_format_log() + * @access private + */ + var $log_boundary = ':'; + + /** + * Log Long Width + * + * @see self::_format_log() + * @access private + */ + var $log_long_width = 65; + + /** + * Log Short Width + * + * @see self::_format_log() + * @access private + */ + var $log_short_width = 16; + + /** + * Hostname + * + * @see self::__construct() + * @see self::_connect() + * @var string + * @access private + */ + var $host; + + /** + * Port Number + * + * @see self::__construct() + * @see self::_connect() + * @var int + * @access private + */ + var $port; + + /** + * Timeout for initial connection + * + * Set by the constructor call. Calling setTimeout() is optional. If it's not called functions like + * exec() won't timeout unless some PHP setting forces it too. The timeout specified in the constructor, + * however, is non-optional. There will be a timeout, whether or not you set it. If you don't it'll be + * 10 seconds. It is used by fsockopen() in that function. + * + * @see self::__construct() + * @see self::_connect() + * @var int + * @access private + */ + var $connectionTimeout; + + /** + * Default cipher + * + * @see self::__construct() + * @see self::_connect() + * @var int + * @access private + */ + var $cipher; + + /** + * Default Constructor. + * + * Connects to an SSHv1 server + * + * @param string $host + * @param int $port + * @param int $timeout + * @param int $cipher + * @return \phpseclib\Net\SSH1 + * @access public + */ + function __construct($host, $port = 22, $timeout = 10, $cipher = self::CIPHER_3DES) + { + $this->protocol_flags = array( + 1 => 'NET_SSH1_MSG_DISCONNECT', + 2 => 'NET_SSH1_SMSG_PUBLIC_KEY', + 3 => 'NET_SSH1_CMSG_SESSION_KEY', + 4 => 'NET_SSH1_CMSG_USER', + 9 => 'NET_SSH1_CMSG_AUTH_PASSWORD', + 10 => 'NET_SSH1_CMSG_REQUEST_PTY', + 12 => 'NET_SSH1_CMSG_EXEC_SHELL', + 13 => 'NET_SSH1_CMSG_EXEC_CMD', + 14 => 'NET_SSH1_SMSG_SUCCESS', + 15 => 'NET_SSH1_SMSG_FAILURE', + 16 => 'NET_SSH1_CMSG_STDIN_DATA', + 17 => 'NET_SSH1_SMSG_STDOUT_DATA', + 18 => 'NET_SSH1_SMSG_STDERR_DATA', + 19 => 'NET_SSH1_CMSG_EOF', + 20 => 'NET_SSH1_SMSG_EXITSTATUS', + 33 => 'NET_SSH1_CMSG_EXIT_CONFIRMATION' + ); + + $this->_define_array($this->protocol_flags); + + $this->host = $host; + $this->port = $port; + $this->connectionTimeout = $timeout; + $this->cipher = $cipher; + } + + /** + * Connect to an SSHv1 server + * + * @return bool + * @access private + */ + function _connect() + { + $this->fsock = @fsockopen($this->host, $this->port, $errno, $errstr, $this->connectionTimeout); + if (!$this->fsock) { + user_error(rtrim("Cannot connect to {$this->host}:{$this->port}. Error $errno. $errstr")); + return false; + } + + $this->server_identification = $init_line = fgets($this->fsock, 255); + + if (defined('NET_SSH1_LOGGING')) { + $this->_append_log('<-', $this->server_identification); + $this->_append_log('->', $this->identifier . "\r\n"); + } + + if (!preg_match('#SSH-([0-9\.]+)-(.+)#', $init_line, $parts)) { + user_error('Can only connect to SSH servers'); + return false; + } + if ($parts[1][0] != 1) { + user_error("Cannot connect to SSH $parts[1] servers"); + return false; + } + + fputs($this->fsock, $this->identifier."\r\n"); + + $response = $this->_get_binary_packet(); + if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_PUBLIC_KEY) { + user_error('Expected SSH_SMSG_PUBLIC_KEY'); + return false; + } + + $anti_spoofing_cookie = $this->_string_shift($response[self::RESPONSE_DATA], 8); + + $this->_string_shift($response[self::RESPONSE_DATA], 4); + + if (strlen($response[self::RESPONSE_DATA]) < 2) { + return false; + } + $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); + $server_key_public_exponent = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); + $this->server_key_public_exponent = $server_key_public_exponent; + + if (strlen($response[self::RESPONSE_DATA]) < 2) { + return false; + } + $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); + $server_key_public_modulus = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); + + $this->server_key_public_modulus = $server_key_public_modulus; + + $this->_string_shift($response[self::RESPONSE_DATA], 4); + + if (strlen($response[self::RESPONSE_DATA]) < 2) { + return false; + } + $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); + $host_key_public_exponent = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); + $this->host_key_public_exponent = $host_key_public_exponent; + + if (strlen($response[self::RESPONSE_DATA]) < 2) { + return false; + } + $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); + $host_key_public_modulus = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); + + $this->host_key_public_modulus = $host_key_public_modulus; + + $this->_string_shift($response[self::RESPONSE_DATA], 4); + + // get a list of the supported ciphers + if (strlen($response[self::RESPONSE_DATA]) < 4) { + return false; + } + extract(unpack('Nsupported_ciphers_mask', $this->_string_shift($response[self::RESPONSE_DATA], 4))); + + foreach ($this->supported_ciphers as $mask => $name) { + if (($supported_ciphers_mask & (1 << $mask)) == 0) { + unset($this->supported_ciphers[$mask]); + } + } + + // get a list of the supported authentications + if (strlen($response[self::RESPONSE_DATA]) < 4) { + return false; + } + extract(unpack('Nsupported_authentications_mask', $this->_string_shift($response[self::RESPONSE_DATA], 4))); + foreach ($this->supported_authentications as $mask => $name) { + if (($supported_authentications_mask & (1 << $mask)) == 0) { + unset($this->supported_authentications[$mask]); + } + } + + $session_id = pack('H*', md5($host_key_public_modulus->toBytes() . $server_key_public_modulus->toBytes() . $anti_spoofing_cookie)); + + $session_key = Random::string(32); + $double_encrypted_session_key = $session_key ^ str_pad($session_id, 32, chr(0)); + + if ($server_key_public_modulus->compare($host_key_public_modulus) < 0) { + $double_encrypted_session_key = $this->_rsa_crypt( + $double_encrypted_session_key, + array( + $server_key_public_exponent, + $server_key_public_modulus + ) + ); + $double_encrypted_session_key = $this->_rsa_crypt( + $double_encrypted_session_key, + array( + $host_key_public_exponent, + $host_key_public_modulus + ) + ); + } else { + $double_encrypted_session_key = $this->_rsa_crypt( + $double_encrypted_session_key, + array( + $host_key_public_exponent, + $host_key_public_modulus + ) + ); + $double_encrypted_session_key = $this->_rsa_crypt( + $double_encrypted_session_key, + array( + $server_key_public_exponent, + $server_key_public_modulus + ) + ); + } + + $cipher = isset($this->supported_ciphers[$this->cipher]) ? $this->cipher : self::CIPHER_3DES; + $data = pack('C2a*na*N', NET_SSH1_CMSG_SESSION_KEY, $cipher, $anti_spoofing_cookie, 8 * strlen($double_encrypted_session_key), $double_encrypted_session_key, 0); + + if (!$this->_send_binary_packet($data)) { + user_error('Error sending SSH_CMSG_SESSION_KEY'); + return false; + } + + switch ($cipher) { + //case self::CIPHER_NONE: + // $this->crypto = new \phpseclib\Crypt\Null(); + // break; + case self::CIPHER_DES: + $this->crypto = new DES(); + $this->crypto->disablePadding(); + $this->crypto->enableContinuousBuffer(); + $this->crypto->setKey(substr($session_key, 0, 8)); + break; + case self::CIPHER_3DES: + $this->crypto = new TripleDES(TripleDES::MODE_3CBC); + $this->crypto->disablePadding(); + $this->crypto->enableContinuousBuffer(); + $this->crypto->setKey(substr($session_key, 0, 24)); + break; + //case self::CIPHER_RC4: + // $this->crypto = new RC4(); + // $this->crypto->enableContinuousBuffer(); + // $this->crypto->setKey(substr($session_key, 0, 16)); + // break; + } + + $response = $this->_get_binary_packet(); + + if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) { + user_error('Expected SSH_SMSG_SUCCESS'); + return false; + } + + $this->bitmap = self::MASK_CONNECTED; + + return true; + } + + /** + * Login + * + * @param string $username + * @param string $password + * @return bool + * @access public + */ + function login($username, $password = '') + { + if (!($this->bitmap & self::MASK_CONSTRUCTOR)) { + $this->bitmap |= self::MASK_CONSTRUCTOR; + if (!$this->_connect()) { + return false; + } + } + + if (!($this->bitmap & self::MASK_CONNECTED)) { + return false; + } + + $data = pack('CNa*', NET_SSH1_CMSG_USER, strlen($username), $username); + + if (!$this->_send_binary_packet($data)) { + user_error('Error sending SSH_CMSG_USER'); + return false; + } + + $response = $this->_get_binary_packet(); + + if ($response === true) { + return false; + } + if ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) { + $this->bitmap |= self::MASK_LOGIN; + return true; + } elseif ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_FAILURE) { + user_error('Expected SSH_SMSG_SUCCESS or SSH_SMSG_FAILURE'); + return false; + } + + $data = pack('CNa*', NET_SSH1_CMSG_AUTH_PASSWORD, strlen($password), $password); + + if (!$this->_send_binary_packet($data)) { + user_error('Error sending SSH_CMSG_AUTH_PASSWORD'); + return false; + } + + // remove the username and password from the last logged packet + if (defined('NET_SSH1_LOGGING') && NET_SSH1_LOGGING == self::LOG_COMPLEX) { + $data = pack('CNa*', NET_SSH1_CMSG_AUTH_PASSWORD, strlen('password'), 'password'); + $this->message_log[count($this->message_log) - 1] = $data; + } + + $response = $this->_get_binary_packet(); + + if ($response === true) { + return false; + } + if ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) { + $this->bitmap |= self::MASK_LOGIN; + return true; + } elseif ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_FAILURE) { + return false; + } else { + user_error('Expected SSH_SMSG_SUCCESS or SSH_SMSG_FAILURE'); + return false; + } + } + + /** + * Set Timeout + * + * $ssh->exec('ping 127.0.0.1'); on a Linux host will never return and will run indefinitely. setTimeout() makes it so it'll timeout. + * Setting $timeout to false or 0 will mean there is no timeout. + * + * @param mixed $timeout + */ + function setTimeout($timeout) + { + $this->timeout = $this->curTimeout = $timeout; + } + + /** + * Executes a command on a non-interactive shell, returns the output, and quits. + * + * An SSH1 server will close the connection after a command has been executed on a non-interactive shell. SSH2 + * servers don't, however, this isn't an SSH2 client. The way this works, on the server, is by initiating a + * shell with the -s option, as discussed in the following links: + * + * {@link http://www.faqs.org/docs/bashman/bashref_65.html http://www.faqs.org/docs/bashman/bashref_65.html} + * {@link http://www.faqs.org/docs/bashman/bashref_62.html http://www.faqs.org/docs/bashman/bashref_62.html} + * + * To execute further commands, a new \phpseclib\Net\SSH1 object will need to be created. + * + * Returns false on failure and the output, otherwise. + * + * @see self::interactiveRead() + * @see self::interactiveWrite() + * @param string $cmd + * @return mixed + * @access public + */ + function exec($cmd, $block = true) + { + if (!($this->bitmap & self::MASK_LOGIN)) { + user_error('Operation disallowed prior to login()'); + return false; + } + + $data = pack('CNa*', NET_SSH1_CMSG_EXEC_CMD, strlen($cmd), $cmd); + + if (!$this->_send_binary_packet($data)) { + user_error('Error sending SSH_CMSG_EXEC_CMD'); + return false; + } + + if (!$block) { + return true; + } + + $output = ''; + $response = $this->_get_binary_packet(); + + if ($response !== false) { + do { + $output.= substr($response[self::RESPONSE_DATA], 4); + $response = $this->_get_binary_packet(); + } while (is_array($response) && $response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_EXITSTATUS); + } + + $data = pack('C', NET_SSH1_CMSG_EXIT_CONFIRMATION); + + // i don't think it's really all that important if this packet gets sent or not. + $this->_send_binary_packet($data); + + fclose($this->fsock); + + // reset the execution bitmap - a new \phpseclib\Net\SSH1 object needs to be created. + $this->bitmap = 0; + + return $output; + } + + /** + * Creates an interactive shell + * + * @see self::interactiveRead() + * @see self::interactiveWrite() + * @return bool + * @access private + */ + function _initShell() + { + // connect using the sample parameters in protocol-1.5.txt. + // according to wikipedia.org's entry on text terminals, "the fundamental type of application running on a text + // terminal is a command line interpreter or shell". thus, opening a terminal session to run the shell. + $data = pack('CNa*N4C', NET_SSH1_CMSG_REQUEST_PTY, strlen('vt100'), 'vt100', 24, 80, 0, 0, self::TTY_OP_END); + + if (!$this->_send_binary_packet($data)) { + user_error('Error sending SSH_CMSG_REQUEST_PTY'); + return false; + } + + $response = $this->_get_binary_packet(); + + if ($response === true) { + return false; + } + if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) { + user_error('Expected SSH_SMSG_SUCCESS'); + return false; + } + + $data = pack('C', NET_SSH1_CMSG_EXEC_SHELL); + + if (!$this->_send_binary_packet($data)) { + user_error('Error sending SSH_CMSG_EXEC_SHELL'); + return false; + } + + $this->bitmap |= self::MASK_SHELL; + + //stream_set_blocking($this->fsock, 0); + + return true; + } + + /** + * Inputs a command into an interactive shell. + * + * @see self::interactiveWrite() + * @param string $cmd + * @return bool + * @access public + */ + function write($cmd) + { + return $this->interactiveWrite($cmd); + } + + /** + * Returns the output of an interactive shell when there's a match for $expect + * + * $expect can take the form of a string literal or, if $mode == self::READ_REGEX, + * a regular expression. + * + * @see self::write() + * @param string $expect + * @param int $mode + * @return bool + * @access public + */ + function read($expect, $mode = self::READ_SIMPLE) + { + if (!($this->bitmap & self::MASK_LOGIN)) { + user_error('Operation disallowed prior to login()'); + return false; + } + + if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { + user_error('Unable to initiate an interactive shell session'); + return false; + } + + $match = $expect; + while (true) { + if ($mode == self::READ_REGEX) { + preg_match($expect, $this->interactiveBuffer, $matches); + $match = isset($matches[0]) ? $matches[0] : ''; + } + $pos = strlen($match) ? strpos($this->interactiveBuffer, $match) : false; + if ($pos !== false) { + return $this->_string_shift($this->interactiveBuffer, $pos + strlen($match)); + } + $response = $this->_get_binary_packet(); + + if ($response === true) { + return $this->_string_shift($this->interactiveBuffer, strlen($this->interactiveBuffer)); + } + $this->interactiveBuffer.= substr($response[self::RESPONSE_DATA], 4); + } + } + + /** + * Inputs a command into an interactive shell. + * + * @see self::interactiveRead() + * @param string $cmd + * @return bool + * @access public + */ + function interactiveWrite($cmd) + { + if (!($this->bitmap & self::MASK_LOGIN)) { + user_error('Operation disallowed prior to login()'); + return false; + } + + if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { + user_error('Unable to initiate an interactive shell session'); + return false; + } + + $data = pack('CNa*', NET_SSH1_CMSG_STDIN_DATA, strlen($cmd), $cmd); + + if (!$this->_send_binary_packet($data)) { + user_error('Error sending SSH_CMSG_STDIN'); + return false; + } + + return true; + } + + /** + * Returns the output of an interactive shell when no more output is available. + * + * Requires PHP 4.3.0 or later due to the use of the stream_select() function. If you see stuff like + * "^[[00m", you're seeing ANSI escape codes. According to + * {@link http://support.microsoft.com/kb/101875 How to Enable ANSI.SYS in a Command Window}, "Windows NT + * does not support ANSI escape sequences in Win32 Console applications", so if you're a Windows user, + * there's not going to be much recourse. + * + * @see self::interactiveRead() + * @return string + * @access public + */ + function interactiveRead() + { + if (!($this->bitmap & self::MASK_LOGIN)) { + user_error('Operation disallowed prior to login()'); + return false; + } + + if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { + user_error('Unable to initiate an interactive shell session'); + return false; + } + + $read = array($this->fsock); + $write = $except = null; + if (stream_select($read, $write, $except, 0)) { + $response = $this->_get_binary_packet(); + return substr($response[self::RESPONSE_DATA], 4); + } else { + return ''; + } + } + + /** + * Disconnect + * + * @access public + */ + function disconnect() + { + $this->_disconnect(); + } + + /** + * Destructor. + * + * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call + * disconnect(). + * + * @access public + */ + function __destruct() + { + $this->_disconnect(); + } + + /** + * Disconnect + * + * @param string $msg + * @access private + */ + function _disconnect($msg = 'Client Quit') + { + if ($this->bitmap) { + $data = pack('C', NET_SSH1_CMSG_EOF); + $this->_send_binary_packet($data); + /* + $response = $this->_get_binary_packet(); + if ($response === true) { + $response = array(self::RESPONSE_TYPE => -1); + } + switch ($response[self::RESPONSE_TYPE]) { + case NET_SSH1_SMSG_EXITSTATUS: + $data = pack('C', NET_SSH1_CMSG_EXIT_CONFIRMATION); + break; + default: + $data = pack('CNa*', NET_SSH1_MSG_DISCONNECT, strlen($msg), $msg); + } + */ + $data = pack('CNa*', NET_SSH1_MSG_DISCONNECT, strlen($msg), $msg); + + $this->_send_binary_packet($data); + fclose($this->fsock); + $this->bitmap = 0; + } + } + + /** + * Gets Binary Packets + * + * See 'The Binary Packet Protocol' of protocol-1.5.txt for more info. + * + * Also, this function could be improved upon by adding detection for the following exploit: + * http://www.securiteam.com/securitynews/5LP042K3FY.html + * + * @see self::_send_binary_packet() + * @return array + * @access private + */ + function _get_binary_packet() + { + if (feof($this->fsock)) { + //user_error('connection closed prematurely'); + return false; + } + + if ($this->curTimeout) { + $read = array($this->fsock); + $write = $except = null; + + $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 + $sec = floor($this->curTimeout); + $usec = 1000000 * ($this->curTimeout - $sec); + // on windows this returns a "Warning: Invalid CRT parameters detected" error + if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) { + //$this->_disconnect('Timeout'); + return true; + } + $elapsed = strtok(microtime(), ' ') + strtok('') - $start; + $this->curTimeout-= $elapsed; + } + + $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 + $data = fread($this->fsock, 4); + if (strlen($data) < 4) { + return false; + } + $temp = unpack('Nlength', $data); + + $padding_length = 8 - ($temp['length'] & 7); + $length = $temp['length'] + $padding_length; + $raw = ''; + + while ($length > 0) { + $temp = fread($this->fsock, $length); + if (strlen($temp) != $length) { + return false; + } + $raw.= $temp; + $length-= strlen($temp); + } + $stop = strtok(microtime(), ' ') + strtok(''); + + if (strlen($raw) && $this->crypto !== false) { + $raw = $this->crypto->decrypt($raw); + } + + $padding = substr($raw, 0, $padding_length); + $type = $raw[$padding_length]; + $data = substr($raw, $padding_length + 1, -4); + + if (strlen($raw) < 4) { + return false; + } + $temp = unpack('Ncrc', substr($raw, -4)); + + //if ( $temp['crc'] != $this->_crc($padding . $type . $data) ) { + // user_error('Bad CRC in packet from server'); + // return false; + //} + + $type = ord($type); + + if (defined('NET_SSH1_LOGGING')) { + $temp = isset($this->protocol_flags[$type]) ? $this->protocol_flags[$type] : 'UNKNOWN'; + $temp = '<- ' . $temp . + ' (' . round($stop - $start, 4) . 's)'; + $this->_append_log($temp, $data); + } + + return array( + self::RESPONSE_TYPE => $type, + self::RESPONSE_DATA => $data + ); + } + + /** + * Sends Binary Packets + * + * Returns true on success, false on failure. + * + * @see self::_get_binary_packet() + * @param string $data + * @return bool + * @access private + */ + function _send_binary_packet($data) + { + if (feof($this->fsock)) { + //user_error('connection closed prematurely'); + return false; + } + + $length = strlen($data) + 4; + + $padding = Random::string(8 - ($length & 7)); + + $orig = $data; + $data = $padding . $data; + $data.= pack('N', $this->_crc($data)); + + if ($this->crypto !== false) { + $data = $this->crypto->encrypt($data); + } + + $packet = pack('Na*', $length, $data); + + $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 + $result = strlen($packet) == fputs($this->fsock, $packet); + $stop = strtok(microtime(), ' ') + strtok(''); + + if (defined('NET_SSH1_LOGGING')) { + $temp = isset($this->protocol_flags[ord($orig[0])]) ? $this->protocol_flags[ord($orig[0])] : 'UNKNOWN'; + $temp = '-> ' . $temp . + ' (' . round($stop - $start, 4) . 's)'; + $this->_append_log($temp, $orig); + } + + return $result; + } + + /** + * Cyclic Redundancy Check (CRC) + * + * PHP's crc32 function is implemented slightly differently than the one that SSH v1 uses, so + * we've reimplemented it. A more detailed discussion of the differences can be found after + * $crc_lookup_table's initialization. + * + * @see self::_get_binary_packet() + * @see self::_send_binary_packet() + * @param string $data + * @return int + * @access private + */ + function _crc($data) + { + static $crc_lookup_table = array( + 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, + 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, + 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, + 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, + 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, + 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, + 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, + 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5, + 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, + 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, + 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, + 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, + 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, + 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, + 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, + 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, + 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, + 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, + 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, + 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01, + 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, + 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, + 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, + 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, + 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, + 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, + 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, + 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, + 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, + 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, + 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, + 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, + 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, + 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, + 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, + 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, + 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, + 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, + 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, + 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, + 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, + 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, + 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, + 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, + 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, + 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, + 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, + 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, + 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, + 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, + 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, + 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, + 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, + 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, + 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, + 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, + 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, + 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, + 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, + 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, + 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, + 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, + 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, + 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D + ); + + // For this function to yield the same output as PHP's crc32 function, $crc would have to be + // set to 0xFFFFFFFF, initially - not 0x00000000 as it currently is. + $crc = 0x00000000; + $length = strlen($data); + + for ($i=0; $i<$length; $i++) { + // We AND $crc >> 8 with 0x00FFFFFF because we want the eight newly added bits to all + // be zero. PHP, unfortunately, doesn't always do this. 0x80000000 >> 8, as an example, + // yields 0xFF800000 - not 0x00800000. The following link elaborates: + // http://www.php.net/manual/en/language.operators.bitwise.php#57281 + $crc = (($crc >> 8) & 0x00FFFFFF) ^ $crc_lookup_table[($crc & 0xFF) ^ ord($data[$i])]; + } + + // In addition to having to set $crc to 0xFFFFFFFF, initially, the return value must be XOR'd with + // 0xFFFFFFFF for this function to return the same thing that PHP's crc32 function would. + return $crc; + } + + /** + * String Shift + * + * Inspired by array_shift + * + * @param string $string + * @param int $index + * @return string + * @access private + */ + function _string_shift(&$string, $index = 1) + { + $substr = substr($string, 0, $index); + $string = substr($string, $index); + return $substr; + } + + /** + * RSA Encrypt + * + * Returns mod(pow($m, $e), $n), where $n should be the product of two (large) primes $p and $q and where $e + * should be a number with the property that gcd($e, ($p - 1) * ($q - 1)) == 1. Could just make anything that + * calls this call modexp, instead, but I think this makes things clearer, maybe... + * + * @see self::__construct() + * @param BigInteger $m + * @param array $key + * @return BigInteger + * @access private + */ + function _rsa_crypt($m, $key) + { + /* + $rsa = new RSA(); + $rsa->loadKey($key, RSA::PUBLIC_FORMAT_RAW); + $rsa->setEncryptionMode(RSA::ENCRYPTION_PKCS1); + return $rsa->encrypt($m); + */ + + // To quote from protocol-1.5.txt: + // The most significant byte (which is only partial as the value must be + // less than the public modulus, which is never a power of two) is zero. + // + // The next byte contains the value 2 (which stands for public-key + // encrypted data in the PKCS standard [PKCS#1]). Then, there are non- + // zero random bytes to fill any unused space, a zero byte, and the data + // to be encrypted in the least significant bytes, the last byte of the + // data in the least significant byte. + + // Presumably the part of PKCS#1 they're refering to is "Section 7.2.1 Encryption Operation", + // under "7.2 RSAES-PKCS1-v1.5" and "7 Encryption schemes" of the following URL: + // ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1.pdf + $modulus = $key[1]->toBytes(); + $length = strlen($modulus) - strlen($m) - 3; + $random = ''; + while (strlen($random) != $length) { + $block = Random::string($length - strlen($random)); + $block = str_replace("\x00", '', $block); + $random.= $block; + } + $temp = chr(0) . chr(2) . $random . chr(0) . $m; + + $m = new BigInteger($temp, 256); + $m = $m->modPow($key[0], $key[1]); + + return $m->toBytes(); + } + + /** + * Define Array + * + * Takes any number of arrays whose indices are integers and whose values are strings and defines a bunch of + * named constants from it, using the value as the name of the constant and the index as the value of the constant. + * If any of the constants that would be defined already exists, none of the constants will be defined. + * + * @param array $array + * @access private + */ + function _define_array() + { + $args = func_get_args(); + foreach ($args as $arg) { + foreach ($arg as $key => $value) { + if (!defined($value)) { + define($value, $key); + } else { + break 2; + } + } + } + } + + /** + * Returns a log of the packets that have been sent and received. + * + * Returns a string if NET_SSH1_LOGGING == self::LOG_COMPLEX, an array if NET_SSH1_LOGGING == self::LOG_SIMPLE and false if !defined('NET_SSH1_LOGGING') + * + * @access public + * @return array|false|string + */ + function getLog() + { + if (!defined('NET_SSH1_LOGGING')) { + return false; + } + + switch (NET_SSH1_LOGGING) { + case self::LOG_SIMPLE: + return $this->message_number_log; + break; + case self::LOG_COMPLEX: + return $this->_format_log($this->message_log, $this->protocol_flags_log); + break; + default: + return false; + } + } + + /** + * Formats a log for printing + * + * @param array $message_log + * @param array $message_number_log + * @access private + * @return string + */ + function _format_log($message_log, $message_number_log) + { + $output = ''; + for ($i = 0; $i < count($message_log); $i++) { + $output.= $message_number_log[$i] . "\r\n"; + $current_log = $message_log[$i]; + $j = 0; + do { + if (strlen($current_log)) { + $output.= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 '; + } + $fragment = $this->_string_shift($current_log, $this->log_short_width); + $hex = substr(preg_replace_callback('#.#s', array($this, '_format_log_helper'), $fragment), strlen($this->log_boundary)); + // replace non ASCII printable characters with dots + // http://en.wikipedia.org/wiki/ASCII#ASCII_printable_characters + // also replace < with a . since < messes up the output on web browsers + $raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment); + $output.= str_pad($hex, $this->log_long_width - $this->log_short_width, ' ') . $raw . "\r\n"; + $j++; + } while (strlen($current_log)); + $output.= "\r\n"; + } + + return $output; + } + + /** + * Helper function for _format_log + * + * For use with preg_replace_callback() + * + * @param array $matches + * @access private + * @return string + */ + function _format_log_helper($matches) + { + return $this->log_boundary . str_pad(dechex(ord($matches[0])), 2, '0', STR_PAD_LEFT); + } + + /** + * Return the server key public exponent + * + * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, + * the raw bytes. This behavior is similar to PHP's md5() function. + * + * @param bool $raw_output + * @return string + * @access public + */ + function getServerKeyPublicExponent($raw_output = false) + { + return $raw_output ? $this->server_key_public_exponent->toBytes() : $this->server_key_public_exponent->toString(); + } + + /** + * Return the server key public modulus + * + * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, + * the raw bytes. This behavior is similar to PHP's md5() function. + * + * @param bool $raw_output + * @return string + * @access public + */ + function getServerKeyPublicModulus($raw_output = false) + { + return $raw_output ? $this->server_key_public_modulus->toBytes() : $this->server_key_public_modulus->toString(); + } + + /** + * Return the host key public exponent + * + * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, + * the raw bytes. This behavior is similar to PHP's md5() function. + * + * @param bool $raw_output + * @return string + * @access public + */ + function getHostKeyPublicExponent($raw_output = false) + { + return $raw_output ? $this->host_key_public_exponent->toBytes() : $this->host_key_public_exponent->toString(); + } + + /** + * Return the host key public modulus + * + * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, + * the raw bytes. This behavior is similar to PHP's md5() function. + * + * @param bool $raw_output + * @return string + * @access public + */ + function getHostKeyPublicModulus($raw_output = false) + { + return $raw_output ? $this->host_key_public_modulus->toBytes() : $this->host_key_public_modulus->toString(); + } + + /** + * Return a list of ciphers supported by SSH1 server. + * + * Just because a cipher is supported by an SSH1 server doesn't mean it's supported by this library. If $raw_output + * is set to true, returns, instead, an array of constants. ie. instead of array('Triple-DES in CBC mode'), you'll + * get array(self::CIPHER_3DES). + * + * @param bool $raw_output + * @return array + * @access public + */ + function getSupportedCiphers($raw_output = false) + { + return $raw_output ? array_keys($this->supported_ciphers) : array_values($this->supported_ciphers); + } + + /** + * Return a list of authentications supported by SSH1 server. + * + * Just because a cipher is supported by an SSH1 server doesn't mean it's supported by this library. If $raw_output + * is set to true, returns, instead, an array of constants. ie. instead of array('password authentication'), you'll + * get array(self::AUTH_PASSWORD). + * + * @param bool $raw_output + * @return array + * @access public + */ + function getSupportedAuthentications($raw_output = false) + { + return $raw_output ? array_keys($this->supported_authentications) : array_values($this->supported_authentications); + } + + /** + * Return the server identification. + * + * @return string + * @access public + */ + function getServerIdentification() + { + return rtrim($this->server_identification); + } + + /** + * Logs data packets + * + * Makes sure that only the last 1MB worth of packets will be logged + * + * @param string $data + * @access private + */ + function _append_log($protocol_flags, $message) + { + switch (NET_SSH1_LOGGING) { + // useful for benchmarks + case self::LOG_SIMPLE: + $this->protocol_flags_log[] = $protocol_flags; + break; + // the most useful log for SSH1 + case self::LOG_COMPLEX: + $this->protocol_flags_log[] = $protocol_flags; + $this->_string_shift($message); + $this->log_size+= strlen($message); + $this->message_log[] = $message; + while ($this->log_size > self::LOG_MAX_SIZE) { + $this->log_size-= strlen(array_shift($this->message_log)); + array_shift($this->protocol_flags_log); + } + break; + // dump the output out realtime; packets may be interspersed with non packets, + // passwords won't be filtered out and select other packets may not be correctly + // identified + case self::LOG_REALTIME: + echo "<pre>\r\n" . $this->_format_log(array($message), array($protocol_flags)) . "\r\n</pre>\r\n"; + @flush(); + @ob_flush(); + break; + // basically the same thing as self::LOG_REALTIME with the caveat that self::LOG_REALTIME_FILE + // needs to be defined and that the resultant log file will be capped out at self::LOG_MAX_SIZE. + // the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily + // at the beginning of the file + case self::LOG_REALTIME_FILE: + if (!isset($this->realtime_log_file)) { + // PHP doesn't seem to like using constants in fopen() + $filename = self::LOG_REALTIME_FILE; + $fp = fopen($filename, 'w'); + $this->realtime_log_file = $fp; + } + if (!is_resource($this->realtime_log_file)) { + break; + } + $entry = $this->_format_log(array($message), array($protocol_flags)); + if ($this->realtime_log_wrap) { + $temp = "<<< START >>>\r\n"; + $entry.= $temp; + fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp)); + } + $this->realtime_log_size+= strlen($entry); + if ($this->realtime_log_size > self::LOG_MAX_SIZE) { + fseek($this->realtime_log_file, 0); + $this->realtime_log_size = strlen($entry); + $this->realtime_log_wrap = true; + } + fputs($this->realtime_log_file, $entry); + } + } +} |