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- <?php
- if (!class_exists('Net_SSH2')) {
- require_once('SSH2.php');
- }
- define('NET_SFTP_LOG_SIMPLE', NET_SSH2_LOG_SIMPLE);
- define('NET_SFTP_LOG_COMPLEX', NET_SSH2_LOG_COMPLEX);
- define('NET_SFTP_LOG_REALTIME', 3);
- define('NET_SFTP_CHANNEL', 2);
- define('NET_SFTP_LOCAL_FILE', 1);
- define('NET_SFTP_STRING', 2);
- define('NET_SFTP_RESUME', 4);
- class Net_SFTP extends Net_SSH2 {
-
- var $packet_types = array();
-
- var $status_codes = array();
-
- var $request_id = false;
-
- var $packet_type = -1;
-
- var $packet_buffer = '';
-
- var $extensions = array();
-
- var $version;
-
- var $pwd = false;
-
- var $packet_type_log = array();
-
- var $packet_log = array();
-
- var $sftp_errors = array();
-
- var $dirs = array();
-
- function Net_SFTP($host, $port = 22, $timeout = 10)
- {
- parent::Net_SSH2($host, $port, $timeout);
- $this->packet_types = array(
- 1 => 'NET_SFTP_INIT',
- 2 => 'NET_SFTP_VERSION',
-
- 3 => 'NET_SFTP_OPEN',
- 4 => 'NET_SFTP_CLOSE',
- 5 => 'NET_SFTP_READ',
- 6 => 'NET_SFTP_WRITE',
- 7 => 'NET_SFTP_LSTAT',
- 9 => 'NET_SFTP_SETSTAT',
- 11 => 'NET_SFTP_OPENDIR',
- 12 => 'NET_SFTP_READDIR',
- 13 => 'NET_SFTP_REMOVE',
- 14 => 'NET_SFTP_MKDIR',
- 15 => 'NET_SFTP_RMDIR',
- 16 => 'NET_SFTP_REALPATH',
- 17 => 'NET_SFTP_STAT',
-
- 18 => 'NET_SFTP_RENAME',
- 101=> 'NET_SFTP_STATUS',
- 102=> 'NET_SFTP_HANDLE',
-
- 103=> 'NET_SFTP_DATA',
- 104=> 'NET_SFTP_NAME',
- 105=> 'NET_SFTP_ATTRS',
- 200=> 'NET_SFTP_EXTENDED'
- );
- $this->status_codes = array(
- 0 => 'NET_SFTP_STATUS_OK',
- 1 => 'NET_SFTP_STATUS_EOF',
- 2 => 'NET_SFTP_STATUS_NO_SUCH_FILE',
- 3 => 'NET_SFTP_STATUS_PERMISSION_DENIED',
- 4 => 'NET_SFTP_STATUS_FAILURE',
- 5 => 'NET_SFTP_STATUS_BAD_MESSAGE',
- 6 => 'NET_SFTP_STATUS_NO_CONNECTION',
- 7 => 'NET_SFTP_STATUS_CONNECTION_LOST',
- 8 => 'NET_SFTP_STATUS_OP_UNSUPPORTED',
- 9 => 'NET_SFTP_STATUS_INVALID_HANDLE',
- 10 => 'NET_SFTP_STATUS_NO_SUCH_PATH',
- 11 => 'NET_SFTP_STATUS_FILE_ALREADY_EXISTS',
- 12 => 'NET_SFTP_STATUS_WRITE_PROTECT',
- 13 => 'NET_SFTP_STATUS_NO_MEDIA',
- 14 => 'NET_SFTP_STATUS_NO_SPACE_ON_FILESYSTEM',
- 15 => 'NET_SFTP_STATUS_QUOTA_EXCEEDED',
- 16 => 'NET_SFTP_STATUS_UNKNOWN_PRINCIPAL',
- 17 => 'NET_SFTP_STATUS_LOCK_CONFLICT',
- 18 => 'NET_SFTP_STATUS_DIR_NOT_EMPTY',
- 19 => 'NET_SFTP_STATUS_NOT_A_DIRECTORY',
- 20 => 'NET_SFTP_STATUS_INVALID_FILENAME',
- 21 => 'NET_SFTP_STATUS_LINK_LOOP',
- 22 => 'NET_SFTP_STATUS_CANNOT_DELETE',
- 23 => 'NET_SFTP_STATUS_INVALID_PARAMETER',
- 24 => 'NET_SFTP_STATUS_FILE_IS_A_DIRECTORY',
- 25 => 'NET_SFTP_STATUS_BYTE_RANGE_LOCK_CONFLICT',
- 26 => 'NET_SFTP_STATUS_BYTE_RANGE_LOCK_REFUSED',
- 27 => 'NET_SFTP_STATUS_DELETE_PENDING',
- 28 => 'NET_SFTP_STATUS_FILE_CORRUPT',
- 29 => 'NET_SFTP_STATUS_OWNER_INVALID',
- 30 => 'NET_SFTP_STATUS_GROUP_INVALID',
- 31 => 'NET_SFTP_STATUS_NO_MATCHING_BYTE_RANGE_LOCK'
- );
-
-
- $this->attributes = array(
- 0x00000001 => 'NET_SFTP_ATTR_SIZE',
- 0x00000002 => 'NET_SFTP_ATTR_UIDGID',
- 0x00000004 => 'NET_SFTP_ATTR_PERMISSIONS',
- 0x00000008 => 'NET_SFTP_ATTR_ACCESSTIME',
-
-
-
-
- -1 << 31 => 'NET_SFTP_ATTR_EXTENDED'
- );
-
-
-
- $this->open_flags = array(
- 0x00000001 => 'NET_SFTP_OPEN_READ',
- 0x00000002 => 'NET_SFTP_OPEN_WRITE',
- 0x00000004 => 'NET_SFTP_OPEN_APPEND',
- 0x00000008 => 'NET_SFTP_OPEN_CREATE',
- 0x00000010 => 'NET_SFTP_OPEN_TRUNCATE',
- 0x00000020 => 'NET_SFTP_OPEN_EXCL'
- );
-
-
- $this->file_types = array(
- 1 => 'NET_SFTP_TYPE_REGULAR',
- 2 => 'NET_SFTP_TYPE_DIRECTORY',
- 3 => 'NET_SFTP_TYPE_SYMLINK',
- 4 => 'NET_SFTP_TYPE_SPECIAL',
- 5 => 'NET_SFTP_TYPE_UNKNOWN',
-
-
- 6 => 'NET_SFTP_TYPE_SOCKET',
- 7 => 'NET_SFTP_TYPE_CHAR_DEVICE',
- 8 => 'NET_SFTP_TYPE_BLOCK_DEVICE',
- 9 => 'NET_SFTP_TYPE_FIFO'
- );
- $this->_define_array(
- $this->packet_types,
- $this->status_codes,
- $this->attributes,
- $this->open_flags,
- $this->file_types
- );
- }
-
- function login($username)
- {
- $args = func_get_args();
- if (!call_user_func_array(array('Net_SSH2', 'login'), $args)) {
- return false;
- }
- $this->window_size_server_to_client[NET_SFTP_CHANNEL] = $this->window_size;
- $packet = pack('CNa*N3',
- NET_SSH2_MSG_CHANNEL_OPEN, strlen('session'), 'session', NET_SFTP_CHANNEL, $this->window_size, 0x4000);
- if (!$this->_send_binary_packet($packet)) {
- return false;
- }
- $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_OPEN;
- $response = $this->_get_channel_packet(NET_SFTP_CHANNEL);
- if ($response === false) {
- return false;
- }
- $packet = pack('CNNa*CNa*',
- NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SFTP_CHANNEL], strlen('subsystem'), 'subsystem', 1, strlen('sftp'), 'sftp');
- if (!$this->_send_binary_packet($packet)) {
- return false;
- }
- $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST;
- $response = $this->_get_channel_packet(NET_SFTP_CHANNEL);
- if ($response === false) {
-
- $command = "test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server\n" .
- "test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server\n" .
- "exec sftp-server";
-
-
- $packet = pack('CNNa*CNa*',
- NET_SSH2_MSG_CHANNEL_REQUEST, $this->server_channels[NET_SFTP_CHANNEL], strlen('exec'), 'exec', 1, strlen($command), $command);
- if (!$this->_send_binary_packet($packet)) {
- return false;
- }
- $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST;
- $response = $this->_get_channel_packet(NET_SFTP_CHANNEL);
- if ($response === false) {
- return false;
- }
- }
- $this->channel_status[NET_SFTP_CHANNEL] = NET_SSH2_MSG_CHANNEL_DATA;
- if (!$this->_send_sftp_packet(NET_SFTP_INIT, "\0\0\0\3")) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_VERSION) {
- user_error('Expected SSH_FXP_VERSION');
- return false;
- }
- extract(unpack('Nversion', $this->_string_shift($response, 4)));
- $this->version = $version;
- while (!empty($response)) {
- extract(unpack('Nlength', $this->_string_shift($response, 4)));
- $key = $this->_string_shift($response, $length);
- extract(unpack('Nlength', $this->_string_shift($response, 4)));
- $value = $this->_string_shift($response, $length);
- $this->extensions[$key] = $value;
- }
-
-
- $this->request_id = 1;
-
- switch ($this->version) {
- case 2:
- case 3:
- break;
- default:
- return false;
- }
- $this->pwd = $this->_realpath('.');
- $this->_save_dir($this->pwd);
- return true;
- }
-
- function pwd()
- {
- return $this->pwd;
- }
-
- function _logError($response, $status = -1)
- {
- if ($status == -1) {
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- }
- $error = $this->status_codes[$status];
- if ($this->version > 2) {
- extract(unpack('Nlength', $this->_string_shift($response, 4)));
- $this->sftp_errors[] = $error . ': ' . $this->_string_shift($response, $length);
- } else {
- $this->sftp_errors[] = $error;
- }
- }
-
- function _realpath($path)
- {
- if ($this->pwd === false) {
-
- if (!$this->_send_sftp_packet(NET_SFTP_REALPATH, pack('Na*', strlen($path), $path))) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- switch ($this->packet_type) {
- case NET_SFTP_NAME:
-
-
-
- $this->_string_shift($response, 4);
- extract(unpack('Nlength', $this->_string_shift($response, 4)));
- return $this->_string_shift($response, $length);
- case NET_SFTP_STATUS:
- $this->_logError($response);
- return false;
- default:
- user_error('Expected SSH_FXP_NAME or SSH_FXP_STATUS');
- return false;
- }
- }
- if ($path[0] != '/') {
- $path = $this->pwd . '/' . $path;
- }
- $path = explode('/', $path);
- $new = array();
- foreach ($path as $dir) {
- if (!strlen($dir)) {
- continue;
- }
- switch ($dir) {
- case '..':
- array_pop($new);
- case '.':
- break;
- default:
- $new[] = $dir;
- }
- }
- return '/' . implode('/', $new);
- }
-
- function chdir($dir)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- if ($dir[strlen($dir) - 1] != '/') {
- $dir.= '/';
- }
- $dir = $this->_realpath($dir);
-
- if ($this->_is_dir($dir)) {
- $this->pwd = $dir;
- return true;
- }
-
-
-
-
- if (!$this->_send_sftp_packet(NET_SFTP_OPENDIR, pack('Na*', strlen($dir), $dir))) {
- return false;
- }
-
- $response = $this->_get_sftp_packet();
- switch ($this->packet_type) {
- case NET_SFTP_HANDLE:
- $handle = substr($response, 4);
- break;
- case NET_SFTP_STATUS:
- $this->_logError($response);
- return false;
- default:
- user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS');
- return false;
- }
- if (!$this->_send_sftp_packet(NET_SFTP_CLOSE, pack('Na*', strlen($handle), $handle))) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_STATUS) {
- user_error('Expected SSH_FXP_STATUS');
- return false;
- }
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_OK) {
- $this->_logError($response, $status);
- return false;
- }
- $this->_save_dir($dir);
- $this->pwd = $dir;
- return true;
- }
-
- function nlist($dir = '.')
- {
- return $this->_list($dir, false);
- }
-
- function rawlist($dir = '.')
- {
- return $this->_list($dir, true);
- }
-
- function _list($dir, $raw = true, $realpath = true)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $dir = $this->_realpath($dir . '/');
- if ($dir === false) {
- return false;
- }
-
- if (!$this->_send_sftp_packet(NET_SFTP_OPENDIR, pack('Na*', strlen($dir), $dir))) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- switch ($this->packet_type) {
- case NET_SFTP_HANDLE:
-
-
-
- $handle = substr($response, 4);
- break;
- case NET_SFTP_STATUS:
-
- $this->_logError($response);
- return false;
- default:
- user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS');
- return false;
- }
- $this->_save_dir($dir);
- $contents = array();
- while (true) {
-
-
-
- if (!$this->_send_sftp_packet(NET_SFTP_READDIR, pack('Na*', strlen($handle), $handle))) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- switch ($this->packet_type) {
- case NET_SFTP_NAME:
- extract(unpack('Ncount', $this->_string_shift($response, 4)));
- for ($i = 0; $i < $count; $i++) {
- extract(unpack('Nlength', $this->_string_shift($response, 4)));
- $shortname = $this->_string_shift($response, $length);
- extract(unpack('Nlength', $this->_string_shift($response, 4)));
- $longname = $this->_string_shift($response, $length);
- $attributes = $this->_parseAttributes($response);
- if (!isset($attributes['type'])) {
- $fileType = $this->_parseLongname($longname);
- if ($fileType) {
- $attributes['type'] = $fileType;
- }
- }
- if (!$raw) {
- $contents[] = $shortname;
- } else {
- $contents[$shortname] = $attributes;
- }
- if (isset($attributes['type']) && $attributes['type'] == NET_SFTP_TYPE_DIRECTORY && ($shortname != '.' && $shortname != '..')) {
- $this->_save_dir($dir . '/' . $shortname);
- }
-
-
- }
- break;
- case NET_SFTP_STATUS:
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_EOF) {
- $this->_logError($response, $status);
- return false;
- }
- break 2;
- default:
- user_error('Expected SSH_FXP_NAME or SSH_FXP_STATUS');
- return false;
- }
- }
- if (!$this->_send_sftp_packet(NET_SFTP_CLOSE, pack('Na*', strlen($handle), $handle))) {
- return false;
- }
-
-
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_STATUS) {
- user_error('Expected SSH_FXP_STATUS');
- return false;
- }
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_OK) {
- $this->_logError($response, $status);
- return false;
- }
- return $contents;
- }
-
- function size($filename)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $filename = $this->_realpath($filename);
- if ($filename === false) {
- return false;
- }
- return $this->_size($filename);
- }
-
- function _save_dir($dir)
- {
-
- $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $dir));
- $temp = &$this->dirs;
- foreach ($dirs as $dir) {
- if (!isset($temp[$dir])) {
- $temp[$dir] = array();
- }
- $temp = &$temp[$dir];
- }
- }
-
- function _remove_dir($dir)
- {
- $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $dir));
- $temp = &$this->dirs;
- foreach ($dirs as $dir) {
- if ($dir == end($dirs)) {
- unset($temp[$dir]);
- return true;
- }
- if (!isset($temp[$dir])) {
- return false;
- }
- $temp = &$temp[$dir];
- }
- }
-
- function _is_dir($dir)
- {
- $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $dir));
- $temp = &$this->dirs;
- foreach ($dirs as $dir) {
- if (!isset($temp[$dir])) {
- return false;
- }
- $temp = &$temp[$dir];
- }
- return true;
- }
-
- function stat($filename)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $filename = $this->_realpath($filename);
- if ($filename === false) {
- return false;
- }
- $stat = $this->_stat($filename, NET_SFTP_STAT);
- if ($stat === false) {
- return false;
- }
- if (isset($stat['type'])) {
- return $stat;
- }
- $pwd = $this->pwd;
- $stat['type'] = $this->chdir($filename) ?
- NET_SFTP_TYPE_DIRECTORY :
- NET_SFTP_TYPE_REGULAR;
- $this->pwd = $pwd;
- return $stat;
- }
-
- function lstat($filename)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $filename = $this->_realpath($filename);
- if ($filename === false) {
- return false;
- }
- $lstat = $this->_stat($filename, NET_SFTP_LSTAT);
- if ($lstat === false) {
- return false;
- }
- if (isset($lstat['type'])) {
- return $lstat;
- }
- $stat = $this->_stat($filename, NET_SFTP_STAT);
- if ($lstat != $stat) {
- return array_merge($lstat, array('type' => NET_SFTP_TYPE_SYMLINK));
- }
- $pwd = $this->pwd;
- $lstat['type'] = $this->chdir($filename) ?
- NET_SFTP_TYPE_DIRECTORY :
- NET_SFTP_TYPE_REGULAR;
- $this->pwd = $pwd;
- return $lstat;
- }
-
- function _stat($filename, $type)
- {
-
- $packet = pack('Na*', strlen($filename), $filename);
- if (!$this->_send_sftp_packet($type, $packet)) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- switch ($this->packet_type) {
- case NET_SFTP_ATTRS:
- return $this->_parseAttributes($response);
- case NET_SFTP_STATUS:
- $this->_logError($response);
- return false;
- }
- user_error('Expected SSH_FXP_ATTRS or SSH_FXP_STATUS');
- return false;
- }
-
- function _size($filename)
- {
- $result = $this->_stat($filename, NET_SFTP_STAT);
- if ($result === false) {
- return false;
- }
- return isset($result['size']) ? $result['size'] : -1;
- }
-
- function truncate($filename, $new_size)
- {
- $attr = pack('N3', NET_SFTP_ATTR_SIZE, $new_size / 0x100000000, $new_size);
- return $this->_setstat($filename, $attr, false);
- }
-
- function touch($filename, $time = NULL, $atime = NULL)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $filename = $this->_realpath($filename);
- if ($filename === false) {
- return false;
- }
- if (!isset($time)) {
- $time = time();
- }
- if (!isset($atime)) {
- $atime = $time;
- }
- $flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE | NET_SFTP_OPEN_EXCL;
- $attr = pack('N3', NET_SFTP_ATTR_ACCESSTIME, $time, $atime);
- $packet = pack('Na*Na*', strlen($filename), $filename, $flags, $attr);
- if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- switch ($this->packet_type) {
- case NET_SFTP_HANDLE:
- $handle = substr($response, 4);
- if (!$this->_send_sftp_packet(NET_SFTP_CLOSE, pack('Na*', strlen($handle), $handle))) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_STATUS) {
- user_error('Expected SSH_FXP_STATUS');
- return false;
- }
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_OK) {
- $this->_logError($response, $status);
- return false;
- }
- return true;
- case NET_SFTP_STATUS:
- $this->_logError($response);
- break;
- default:
- user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS');
- return false;
- }
- return $this->_setstat($filename, $attr, false);
- }
-
- function chown($filename, $uid, $recursive = false)
- {
-
-
- $attr = pack('N3', NET_SFTP_ATTR_UIDGID, $uid, -1);
- return $this->_setstat($filename, $attr, $recursive);
- }
-
- function chgrp($filename, $gid, $recursive = false)
- {
- $attr = pack('N3', NET_SFTP_ATTR_UIDGID, -1, $gid);
- return $this->_setstat($filename, $attr, $recursive);
- }
-
- function chmod($mode, $filename, $recursive = false)
- {
- if (is_string($mode) && is_int($filename)) {
- $temp = $mode;
- $mode = $filename;
- $filename = $temp;
- }
- $attr = pack('N2', NET_SFTP_ATTR_PERMISSIONS, $mode & 07777);
- if (!$this->_setstat($filename, $attr, $recursive)) {
- return false;
- }
- if ($recursive) {
- return true;
- }
-
-
-
- $packet = pack('Na*', strlen($filename), $filename);
- if (!$this->_send_sftp_packet(NET_SFTP_STAT, $packet)) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- switch ($this->packet_type) {
- case NET_SFTP_ATTRS:
- $attrs = $this->_parseAttributes($response);
- return $attrs['permissions'];
- case NET_SFTP_STATUS:
- $this->_logError($response);
- return false;
- }
- user_error('Expected SSH_FXP_ATTRS or SSH_FXP_STATUS');
- return false;
- }
-
- function _setstat($filename, $attr, $recursive)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $filename = $this->_realpath($filename);
- if ($filename === false) {
- return false;
- }
- if ($recursive) {
- $i = 0;
- $result = $this->_setstat_recursive($filename, $attr, $i);
- $this->_read_put_responses($i);
- return $result;
- }
-
-
- if (!$this->_send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($filename), $filename, $attr))) {
- return false;
- }
-
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_STATUS) {
- user_error('Expected SSH_FXP_STATUS');
- return false;
- }
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_OK) {
- $this->_logError($response, $status);
- return false;
- }
- return true;
- }
-
- function _setstat_recursive($path, $attr, &$i)
- {
- if (!$this->_read_put_responses($i)) {
- return false;
- }
- $i = 0;
- $entries = $this->_list($path, true, false);
- if ($entries === false) {
- return $this->_setstat($path, $attr, false);
- }
-
-
- if (empty($entries)) {
- return false;
- }
- foreach ($entries as $filename=>$props) {
- if ($filename == '.' || $filename == '..') {
- continue;
- }
- if (!isset($props['type'])) {
- return false;
- }
- $temp = $path . '/' . $filename;
- if ($props['type'] == NET_SFTP_TYPE_DIRECTORY) {
- if (!$this->_setstat_recursive($temp, $attr, $i)) {
- return false;
- }
- } else {
- if (!$this->_send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($temp), $temp, $attr))) {
- return false;
- }
- $i++;
- if ($i >= 50) {
- if (!$this->_read_put_responses($i)) {
- return false;
- }
- $i = 0;
- }
- }
- }
- if (!$this->_send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($path), $path, $attr))) {
- return false;
- }
- $i++;
- if ($i >= 50) {
- if (!$this->_read_put_responses($i)) {
- return false;
- }
- $i = 0;
- }
- return true;
- }
-
- function mkdir($dir, $mode = -1, $recursive = false)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $dir = $this->_realpath($dir);
-
-
- $attr = $mode == -1 ? "\0\0\0\0" : pack('N2', NET_SFTP_ATTR_PERMISSIONS, $mode & 07777);
- if ($recursive) {
- $dirs = explode('/', preg_replace('#/(?=/)|/$#', '', $dir));
- if (empty($dirs[0])) {
- array_shift($dirs);
- $dirs[0] = '/' . $dirs[0];
- }
- for ($i = 0; $i < count($dirs); $i++) {
- $temp = array_slice($dirs, 0, $i + 1);
- $temp = implode('/', $temp);
- $result = $this->_mkdir_helper($temp, $attr);
- }
- return $result;
- }
- return $this->_mkdir_helper($dir, $attr);
- }
-
- function _mkdir_helper($dir, $attr)
- {
- if (!$this->_send_sftp_packet(NET_SFTP_MKDIR, pack('Na*a*', strlen($dir), $dir, $attr))) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_STATUS) {
- user_error('Expected SSH_FXP_STATUS');
- return false;
- }
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_OK) {
- $this->_logError($response, $status);
- return false;
- }
- $this->_save_dir($dir);
- return true;
- }
-
- function rmdir($dir)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $dir = $this->_realpath($dir);
- if ($dir === false) {
- return false;
- }
- if (!$this->_send_sftp_packet(NET_SFTP_RMDIR, pack('Na*', strlen($dir), $dir))) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_STATUS) {
- user_error('Expected SSH_FXP_STATUS');
- return false;
- }
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_OK) {
-
- $this->_logError($response, $status);
- return false;
- }
- $this->_remove_dir($dir);
- return true;
- }
-
- function put($remote_file, $data, $mode = NET_SFTP_STRING, $start = -1)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $remote_file = $this->_realpath($remote_file);
- if ($remote_file === false) {
- return false;
- }
- $flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE;
-
-
-
-
- $offset = 0;
- if (($mode & NET_SFTP_RESUME) || $start >= 0) {
- if ($start >= 0) {
- $offset = $start;
- } else {
- $size = $this->_size($remote_file);
- $offset = $size !== false ? $size : 0;
- }
- } else {
- $flags|= NET_SFTP_OPEN_TRUNCATE;
- }
-
- $packet = pack('Na*N2', strlen($remote_file), $remote_file, $flags, 0);
- if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- switch ($this->packet_type) {
- case NET_SFTP_HANDLE:
- $handle = substr($response, 4);
- break;
- case NET_SFTP_STATUS:
- $this->_logError($response);
- return false;
- default:
- user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS');
- return false;
- }
- $initialize = true;
-
- if ($mode & NET_SFTP_LOCAL_FILE) {
- if (!is_file($data)) {
- user_error("$data is not a valid file");
- return false;
- }
- $fp = @fopen($data, 'rb');
- if (!$fp) {
- return false;
- }
- $size = filesize($data);
- } else {
- $size = strlen($data);
- }
- $sent = 0;
- $size = $size < 0 ? ($size & 0x7FFFFFFF) + 0x80000000 : $size;
- $sftp_packet_size = 4096;
- $i = 0;
- while ($sent < $size) {
- $temp = $mode & NET_SFTP_LOCAL_FILE ? fread($fp, $sftp_packet_size) : $this->_string_shift($data, $sftp_packet_size);
- $subtemp = $offset + $sent;
- $packet = pack('Na*N3a*', strlen($handle), $handle, $subtemp / 0x100000000, $subtemp, strlen($temp), $temp);
- if (!$this->_send_sftp_packet(NET_SFTP_WRITE, $packet)) {
- fclose($fp);
- return false;
- }
- $sent+= strlen($temp);
- $i++;
- if ($i == 50) {
- if (!$this->_read_put_responses($i)) {
- $i = 0;
- break;
- }
- $i = 0;
- }
- }
- if (!$this->_read_put_responses($i)) {
- return false;
- }
- if ($mode & NET_SFTP_LOCAL_FILE) {
- fclose($fp);
- }
- if (!$this->_send_sftp_packet(NET_SFTP_CLOSE, pack('Na*', strlen($handle), $handle))) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_STATUS) {
- user_error('Expected SSH_FXP_STATUS');
- return false;
- }
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_OK) {
- $this->_logError($response, $status);
- return false;
- }
- return true;
- }
-
- function _read_put_responses($i)
- {
- while ($i--) {
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_STATUS) {
- user_error('Expected SSH_FXP_STATUS');
- return false;
- }
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_OK) {
- $this->_logError($response, $status);
- break;
- }
- }
- return $i < 0;
- }
-
- function get($remote_file, $local_file = false, $offset = 0, $length = -1)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $remote_file = $this->_realpath($remote_file);
- if ($remote_file === false) {
- return false;
- }
- $packet = pack('Na*N2', strlen($remote_file), $remote_file, NET_SFTP_OPEN_READ, 0);
- if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- switch ($this->packet_type) {
- case NET_SFTP_HANDLE:
- $handle = substr($response, 4);
- break;
- case NET_SFTP_STATUS:
- $this->_logError($response);
- return false;
- default:
- user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS');
- return false;
- }
- if ($local_file !== false) {
- $fp = fopen($local_file, 'wb');
- if (!$fp) {
- return false;
- }
- } else {
- $content = '';
- }
- $size = (1 << 20) < $length || $length < 0 ? 1 << 20 : $length;
- while (true) {
- $packet = pack('Na*N3', strlen($handle), $handle, $offset / 0x100000000, $offset, $size);
- if (!$this->_send_sftp_packet(NET_SFTP_READ, $packet)) {
- if ($local_file !== false) {
- fclose($fp);
- }
- return false;
- }
- $response = $this->_get_sftp_packet();
- switch ($this->packet_type) {
- case NET_SFTP_DATA:
- $temp = substr($response, 4);
- $offset+= strlen($temp);
- if ($local_file === false) {
- $content.= $temp;
- } else {
- fputs($fp, $temp);
- }
- break;
- case NET_SFTP_STATUS:
-
- $this->_logError($response);
- break 2;
- default:
- user_error('Expected SSH_FXP_DATA or SSH_FXP_STATUS');
- if ($local_file !== false) {
- fclose($fp);
- }
- return false;
- }
- if ($length > 0 && $length <= $offset - $size) {
- break;
- }
- }
- if ($length > 0 && $length <= $offset - $size) {
- if ($local_file === false) {
- $content = substr($content, 0, $length);
- } else {
- ftruncate($fp, $length);
- }
- }
- if ($local_file !== false) {
- fclose($fp);
- }
- if (!$this->_send_sftp_packet(NET_SFTP_CLOSE, pack('Na*', strlen($handle), $handle))) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_STATUS) {
- user_error('Expected SSH_FXP_STATUS');
- return false;
- }
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_OK) {
- $this->_logError($response, $status);
- return false;
- }
-
- if (isset($content)) {
- return $content;
- }
- return true;
- }
-
- function delete($path, $recursive = true)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $path = $this->_realpath($path);
- if ($path === false) {
- return false;
- }
-
- if (!$this->_send_sftp_packet(NET_SFTP_REMOVE, pack('Na*', strlen($path), $path))) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_STATUS) {
- user_error('Expected SSH_FXP_STATUS');
- return false;
- }
-
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_OK) {
- $this->_logError($response, $status);
- if (!$recursive) {
- return false;
- }
- $i = 0;
- $result = $this->_delete_recursive($path, $i);
- $this->_read_put_responses($i);
- return $result;
- }
- return true;
- }
-
- function _delete_recursive($path, &$i)
- {
- if (!$this->_read_put_responses($i)) {
- return false;
- }
- $i = 0;
- $entries = $this->_list($path, true, false);
-
-
- if (empty($entries)) {
- return false;
- }
- foreach ($entries as $filename=>$props) {
- if ($filename == '.' || $filename == '..') {
- continue;
- }
- if (!isset($props['type'])) {
- return false;
- }
- $temp = $path . '/' . $filename;
- if ($props['type'] == NET_SFTP_TYPE_DIRECTORY) {
- if (!$this->_delete_recursive($temp, $i)) {
- return false;
- }
- } else {
- if (!$this->_send_sftp_packet(NET_SFTP_REMOVE, pack('Na*', strlen($temp), $temp))) {
- return false;
- }
- $i++;
- if ($i >= 50) {
- if (!$this->_read_put_responses($i)) {
- return false;
- }
- $i = 0;
- }
- }
- }
- if (!$this->_send_sftp_packet(NET_SFTP_RMDIR, pack('Na*', strlen($path), $path))) {
- return false;
- }
- $this->_remove_dir($path);
- $i++;
- if ($i >= 50) {
- if (!$this->_read_put_responses($i)) {
- return false;
- }
- $i = 0;
- }
- return true;
- }
-
- function rename($oldname, $newname)
- {
- if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
- return false;
- }
- $oldname = $this->_realpath($oldname);
- $newname = $this->_realpath($newname);
- if ($oldname === false || $newname === false) {
- return false;
- }
-
- $packet = pack('Na*Na*', strlen($oldname), $oldname, strlen($newname), $newname);
- if (!$this->_send_sftp_packet(NET_SFTP_RENAME, $packet)) {
- return false;
- }
- $response = $this->_get_sftp_packet();
- if ($this->packet_type != NET_SFTP_STATUS) {
- user_error('Expected SSH_FXP_STATUS');
- return false;
- }
-
- extract(unpack('Nstatus', $this->_string_shift($response, 4)));
- if ($status != NET_SFTP_STATUS_OK) {
- $this->_logError($response, $status);
- return false;
- }
- return true;
- }
-
- function _parseAttributes(&$response)
- {
- $attr = array();
- extract(unpack('Nflags', $this->_string_shift($response, 4)));
-
- foreach ($this->attributes as $key => $value) {
- switch ($flags & $key) {
- case NET_SFTP_ATTR_SIZE:
-
-
-
-
-
- extract(unpack('Nupper/Nsize', $this->_string_shift($response, 8)));
- $attr['size'] = $upper ? 0x100000000 * $upper : 0;
- $attr['size']+= $size < 0 ? ($size & 0x7FFFFFFF) + 0x80000000 : $size;
- break;
- case NET_SFTP_ATTR_UIDGID:
- $attr+= unpack('Nuid/Ngid', $this->_string_shift($response, 8));
- break;
- case NET_SFTP_ATTR_PERMISSIONS:
- $attr+= unpack('Npermissions', $this->_string_shift($response, 4));
-
-
- $attr+= array('mode' => $attr['permissions']);
- $fileType = $this->_parseMode($attr['permissions']);
- if ($fileType !== false) {
- $attr+= array('type' => $fileType);
- }
- break;
- case NET_SFTP_ATTR_ACCESSTIME:
- $attr+= unpack('Natime/Nmtime', $this->_string_shift($response, 8));
- break;
- case NET_SFTP_ATTR_EXTENDED:
- extract(unpack('Ncount', $this->_string_shift($response, 4)));
- for ($i = 0; $i < $count; $i++) {
- extract(unpack('Nlength', $this->_string_shift($response, 4)));
- $key = $this->_string_shift($response, $length);
- extract(unpack('Nlength', $this->_string_shift($response, 4)));
- $attr[$key] = $this->_string_shift($response, $length);
- }
- }
- }
- return $attr;
- }
-
- function _parseMode($mode)
- {
-
-
- switch ($mode & 0170000) {
- case 0000000:
- return false;
- case 0040000:
- return NET_SFTP_TYPE_DIRECTORY;
- case 0100000:
- return NET_SFTP_TYPE_REGULAR;
- case 0120000:
- return NET_SFTP_TYPE_SYMLINK;
-
-
- case 0010000:
- return NET_SFTP_TYPE_FIFO;
- case 0020000:
- return NET_SFTP_TYPE_CHAR_DEVICE;
- case 0060000:
- return NET_SFTP_BLOCK_DEVICE;
- case 0140000:
- return NET_SFTP_TYPE_SOCKET;
- case 0160000:
-
-
- return NET_SFTP_TYPE_SPECIAL;
- default:
- return NET_SFTP_TYPE_UNKNOWN;
- }
- }
-
- function _parseLongname($longname)
- {
-
-
- if (preg_match('#^[^/]([r-][w-][xstST-]){3}#', $longname)) {
- switch ($longname[0]) {
- case '-':
- return NET_SFTP_TYPE_REGULAR;
- case 'd':
- return NET_SFTP_TYPE_DIRECTORY;
- case 'l':
- return NET_SFTP_TYPE_SYMLINK;
- default:
- return NET_SFTP_TYPE_SPECIAL;
- }
- }
- return false;
- }
-
- function _send_sftp_packet($type, $data)
- {
- $packet = $this->request_id !== false ?
- pack('NCNa*', strlen($data) + 5, $type, $this->request_id, $data) :
- pack('NCa*', strlen($data) + 1, $type, $data);
- $start = strtok(microtime(), ' ') + strtok('');
- $result = $this->_send_channel_packet(NET_SFTP_CHANNEL, $packet);
- $stop = strtok(microtime(), ' ') + strtok('');
- if (defined('NET_SFTP_LOGGING')) {
- $packet_type = '-> ' . $this->packet_types[$type] .
- ' (' . round($stop - $start, 4) . 's)';
- if (NET_SFTP_LOGGING == NET_SFTP_LOG_REALTIME) {
- echo "<pre>\r\n" . $this->_format_log(array($data), array($packet_type)) . "\r\n</pre>\r\n";
- flush();
- ob_flush();
- } else {
- $this->packet_type_log[] = $packet_type;
- if (NET_SFTP_LOGGING == NET_SFTP_LOG_COMPLEX) {
- $this->packet_log[] = $data;
- }
- }
- }
- return $result;
- }
-
- function _get_sftp_packet()
- {
- $this->curTimeout = false;
- $start = strtok(microtime(), ' ') + strtok('');
-
- while (strlen($this->packet_buffer) < 4) {
- $temp = $this->_get_channel_packet(NET_SFTP_CHANNEL);
- if (is_bool($temp)) {
- $this->packet_type = false;
- $this->packet_buffer = '';
- return false;
- }
- $this->packet_buffer.= $temp;
- }
- extract(unpack('Nlength', $this->_string_shift($this->packet_buffer, 4)));
- $tempLength = $length;
- $tempLength-= strlen($this->packet_buffer);
-
- while ($tempLength > 0) {
- $temp = $this->_get_channel_packet(NET_SFTP_CHANNEL);
- if (is_bool($temp)) {
- $this->packet_type = false;
- $this->packet_buffer = '';
- return false;
- }
- $this->packet_buffer.= $temp;
- $tempLength-= strlen($temp);
- }
- $stop = strtok(microtime(), ' ') + strtok('');
- $this->packet_type = ord($this->_string_shift($this->packet_buffer));
- if ($this->request_id !== false) {
- $this->_string_shift($this->packet_buffer, 4);
- $length-= 5;
- } else {
- $length-= 1;
- }
- $packet = $this->_string_shift($this->packet_buffer, $length);
- if (defined('NET_SFTP_LOGGING')) {
- $packet_type = '<- ' . $this->packet_types[$this->packet_type] .
- ' (' . round($stop - $start, 4) . 's)';
- if (NET_SFTP_LOGGING == NET_SFTP_LOG_REALTIME) {
- echo "<pre>\r\n" . $this->_format_log(array($packet), array($packet_type)) . "\r\n</pre>\r\n";
- flush();
- ob_flush();
- } else {
- $this->packet_type_log[] = $packet_type;
- if (NET_SFTP_LOGGING == NET_SFTP_LOG_COMPLEX) {
- $this->packet_log[] = $packet;
- }
- }
- }
- return $packet;
- }
-
- function getSFTPLog()
- {
- if (!defined('NET_SFTP_LOGGING')) {
- return false;
- }
- switch (NET_SFTP_LOGGING) {
- case NET_SFTP_LOG_COMPLEX:
- return $this->_format_log($this->packet_log, $this->packet_type_log);
- break;
-
- default:
- return $this->packet_type_log;
- }
- }
-
- function getSFTPErrors()
- {
- return $this->sftp_errors;
- }
-
- function getLastSFTPError()
- {
- return count($this->sftp_errors) ? $this->sftp_errors[count($this->sftp_errors) - 1] : '';
- }
-
- function getSupportedVersions()
- {
- $temp = array('version' => $this->version);
- if (isset($this->extensions['versions'])) {
- $temp['extensions'] = $this->extensions['versions'];
- }
- return $temp;
- }
-
- function _disconnect($reason)
- {
- $this->pwd = false;
- parent::_disconnect($reason);
- }
- }
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