Method: Rex::Proto::SMB::SimpleClient::OpenFile#read

Defined in:
lib/rex/proto/smb/simpleclient/open_file.rb

#read(length = nil, offset = 0) ⇒ Object

Read data from the file



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# File 'lib/rex/proto/smb/simpleclient/open_file.rb', line 32

def read(length = nil, offset = 0)
  if (length == nil)
    data = ''
    fptr = offset
    ok = self.client.read(self.file_id, fptr, self.chunk_size)
    while (ok and ok['Payload'].v['DataLenLow'] > 0)
      buff = ok.to_s.slice(
        ok['Payload'].v['DataOffset'] + 4,
        ok['Payload'].v['DataLenLow']
      )
      data << buff
      if ok['Payload'].v['Remaining'] == 0
        break
      end
      fptr += ok['Payload'].v['DataLenLow']

      begin
        ok = self.client.read(self.file_id, fptr, self.chunk_size)
      rescue XCEPT::ErrorCode => e
        case e.error_code
        when 0x00050001
          # Novell fires off an access denied error on EOF
          ok = nil
        else
          raise e
        end
      end
    end

    return data
  else
    ok = self.client.read(self.file_id, offset, length)
    data = ok.to_s.slice(
      ok['Payload'].v['DataOffset'] + 4,
      ok['Payload'].v['DataLenLow']
    )
    return data
  end
end