Class: Rex::Post::Meterpreter::Extensions::Stdapi::Fs::Dir

Inherits:
Dir
  • Object
show all
Defined in:
lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb

Overview

This class implements directory operations against the remote endpoint. It implements the Rex::Post::Dir interface.

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Dir

foreach

Constructor Details

#initialize(path) ⇒ Dir

Initializes the directory instance.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 34

def initialize(path)
  self.path   = path
  self.client = self.class.client
end

Class Attribute Details

.client ⇒ Object

Returns the value of attribute client.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 22

def client
  @client
end

Instance Attribute Details

#path ⇒ Object

The path of the directory that was opened.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 276

def path
  @path
end

Class Method Details

.chdir(path) ⇒ Object

Changes the working directory of the remote process.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 117

def Dir.chdir(path)
  request = Packet.create_request('stdapi_fs_chdir')

  request.add_tlv(TLV_TYPE_DIRECTORY_PATH, client.unicode_filter_decode( path ))

  response = client.send_request(request)

  return 0
end

.delete(path) ⇒ Object

Removes the supplied directory if it’s empty.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 161

def Dir.delete(path)
  request = Packet.create_request('stdapi_fs_delete_dir')

  request.add_tlv(TLV_TYPE_DIRECTORY_PATH, client.unicode_filter_decode( path ))

  response = client.send_request(request)

  return 0
end

.download(dst, src, recursive = false, force = true, &stat) ⇒ Object

Downloads the contents of a remote directory a local directory, optionally in a recursive fashion.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 195

def Dir.download(dst, src, recursive = false, force = true, &stat)

  self.entries(src).each { |src_sub|
    dst_item = dst + ::File::SEPARATOR + client.unicode_filter_encode( src_sub )
    src_item = src + client.fs.file.separator + client.unicode_filter_encode( src_sub )

    if (src_sub == '.' or src_sub == '..')
      next
    end

    src_stat = client.fs.filestat.new(src_item)

    if (src_stat.file?)
      stat.call('downloading', src_item, dst_item) if (stat)
      begin
        client.fs.file.download(dst_item, src_item)
        stat.call('downloaded', src_item, dst_item) if (stat)
      rescue ::Rex::Post::Meterpreter::RequestError => e
        if force
          stat.call('failed', src_item, dst_item) if (stat)
        else
          raise e
        end
      end

    elsif (src_stat.directory?)
      if (recursive == false)
        next
      end

      begin
        ::Dir.mkdir(dst_item)
      rescue
      end

      stat.call('mirroring', src_item, dst_item) if (stat)
      download(dst_item, src_item, recursive, force, &stat)
      stat.call('mirrored', src_item, dst_item) if (stat)
    end
  }
end

.entries(name = getwd) ⇒ Object

Enumerates all of the files/folders in a given directory.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 55

def Dir.entries(name = getwd)
  request = Packet.create_request('stdapi_fs_ls')
  files   = []

  request.add_tlv(TLV_TYPE_DIRECTORY_PATH, client.unicode_filter_decode(name))

  response = client.send_request(request)

  response.each(TLV_TYPE_FILE_NAME) { |file_name|
    files << client.unicode_filter_encode( file_name.value )
  }

  return files
end

.entries_with_info(name = getwd) ⇒ Object

Enumerates files with a bit more information than the default entries.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 73

def Dir.entries_with_info(name = getwd)
  request = Packet.create_request('stdapi_fs_ls')
  files   = []

  request.add_tlv(TLV_TYPE_DIRECTORY_PATH, client.unicode_filter_decode(name))

  response = client.send_request(request)

  fname = response.get_tlvs(TLV_TYPE_FILE_NAME)
  fpath = response.get_tlvs(TLV_TYPE_FILE_PATH)
  sbuf  = response.get_tlvs(TLV_TYPE_STAT_BUF)

  if (!fname or !sbuf)
    return []
  end

  fname.each_with_index { |file_name, idx|
    st = nil

    if (sbuf[idx])
      st = ::Rex::Post::FileStat.new
      st.update(sbuf[idx].value)
    end

    files <<
      {
        'FileName' => client.unicode_filter_encode( file_name.value ),
        'FilePath' => client.unicode_filter_encode( fpath[idx].value ),
        'StatBuf'  => st,
      }
  }

  return files
end

.getwd ⇒ Object

Synonym for pwd.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 154

def Dir.getwd
  pwd
end

.mkdir(path) ⇒ Object

Creates a directory.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 130

def Dir.mkdir(path)
  request = Packet.create_request('stdapi_fs_mkdir')

  request.add_tlv(TLV_TYPE_DIRECTORY_PATH, client.unicode_filter_decode( path ))

  response = client.send_request(request)

  return 0
end

.pwd ⇒ Object

Returns the current working directory of the remote process.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 143

def Dir.pwd
  request = Packet.create_request('stdapi_fs_getwd')

  response = client.send_request(request)

  return client.unicode_filter_encode( response.get_tlv(TLV_TYPE_DIRECTORY_PATH).value )
end

.rmdir(path) ⇒ Object

Synonyms for delete.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 174

def Dir.rmdir(path)
  delete(path)
end

.unlink(path) ⇒ Object

Synonyms for delete.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 181

def Dir.unlink(path)
  delete(path)
end

.upload(dst, src, recursive = false, &stat) ⇒ Object

Uploads the contents of a local directory to a remote directory, optionally in a recursive fashion.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 241

def Dir.upload(dst, src, recursive = false, &stat)
  ::Dir.entries(src).each { |src_sub|
    dst_item = dst + client.fs.file.separator + client.unicode_filter_encode( src_sub )
    src_item = src + ::File::SEPARATOR + client.unicode_filter_encode( src_sub )

    if (src_sub == '.' or src_sub == '..')
      next
    end

    src_stat = ::File.stat(src_item)

    if (src_stat.file?)
      stat.call('uploading', src_item, dst_item) if (stat)
      client.fs.file.upload(dst_item, src_item)
      stat.call('uploaded', src_item, dst_item) if (stat)
    elsif (src_stat.directory?)
      if (recursive == false)
        next
      end

      begin
        self.mkdir(dst_item)
      rescue
      end

      stat.call('mirroring', src_item, dst_item) if (stat)
      upload(dst_item, src_item, recursive, &stat)
      stat.call('mirrored', src_item, dst_item) if (stat)
    end
  }
end

Instance Method Details

#each(&block) ⇒ Object

Enumerates all of the contents of the directory.



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# File 'lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb', line 48

def each(&block)
  client.fs.dir.foreach(self.path, &block)
end