Class: Generic_commands

Inherits:
Qt::Widget
  • Object
show all
Defined in:
lib/class/Generic_commands.rb

Instance Method Summary collapse

Constructor Details

#initialize(api, chip, bus_name) ⇒ Generic_commands

Returns a new instance of Generic_commands.



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# File 'lib/class/Generic_commands.rb', line 21

def initialize(api, chip, bus_name)
  super()
  @generic_command_gui = Ui_Generic_commands.new
  centerWindow(self)
  @generic_command_gui.setupUi(self)
  @generic_command_gui.lbl_chip.setText(chip.chip_reference)
  @generic_command_gui.lbl_search.setPixmap(Qt::Pixmap.new('images/search.png'))
  inputRestrict(@generic_command_gui.lie_search, 2)
  @generic_command_gui.check_result.setChecked(true)
  @api = api
  @chip = chip
  @bus_name = bus_name
  @bus_id = Bus.find_by(bus_name: bus_name).bus_id
  select_chip_settings(bus_name)
  feed_cmd_array
end

Instance Method Details

#check_concatenation_size(bytesCmd1, bytesCmd2) ⇒ Object 



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# File 'lib/class/Generic_commands.rb', line 212

def check_concatenation_size(bytesCmd1, bytesCmd2)
  checkSize = []
  bytesCmd1.each do |b1|
    checkSize.push(b1.byte_value)
  end
  bytesCmd2.each do |b2|
    checkSize.push(b2.byte_value)
  end
  count = 0
  i = 0
  while i <= (checkSize.size) - 1 do
    lowByte = checkSize[i]
    highByte = checkSize[i + 1]
    commandType = checkSize[i + 2]
    count += (lowByte.to_i(16) + (highByte.to_i(16)<<8))
    if commandType.to_i(16) % 2 == 0 #WRITE
      i += ((lowByte.to_i(16) + (highByte.to_i(16)<<8)) + 3)
    else #READ
      i = (i + 3)
    end
  end
  if count > 2000
    Qt::MessageBox.new(Qt::MessageBox::Critical, 'Critical error', 'Command too big: unable to concatenate').exec
    return false
  end
  return true
end

#check_send_and_received_data(value) ⇒ Object 



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# File 'lib/class/Generic_commands.rb', line 258

def check_send_and_received_data(value)
  case value
  when HardsploitAPI::USB_STATE::PACKET_IS_TOO_LARGE
    Qt::MessageBox.new(Qt::MessageBox::Critical, 'Critical error', "PACKET_IS_TOO_LARGE max: #{HardsploitAPI::USB::USB_TRAME_SIZE}").exec
  when HardsploitAPI::USB_STATE::ERROR_SEND
    Qt::MessageBox.new(Qt::MessageBox::Critical, 'Critical error', 'ERROR_SEND').exec
  when HardsploitAPI::USB_STATE::BUSY
    Qt::MessageBox.new(Qt::MessageBox::Warning, 'BUSY', 'Device busy').exec
  else
    return value
  end
end

#concatenate_cmds ⇒ Object 



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# File 'lib/class/Generic_commands.rb', line 170

def concatenate_cmds
  if @generic_command_gui.tbl_cmd.selectedItems.count != 2
    Qt::MessageBox.new(Qt::MessageBox::Critical, 'Wrong selection', 'Select two commands in the table to concatenate them').exec
    return 0
  end
  bytesCmd1 = Byte.where(byte_cmd: Cmd.find_by(cmd_name: @generic_command_gui.tbl_cmd.selectedItems[0].text).cmd_id)
  bytesCmd2 = Byte.where(byte_cmd: Cmd.find_by(cmd_name: @generic_command_gui.tbl_cmd.selectedItems[1].text).cmd_id)
  if check_concatenation_size(bytesCmd1, bytesCmd2)
    # Save cmd
    cmd = Cmd.new
    cmd.cmd_name = 'New concatenation'
    cmd.cmd_desc = "Concatenation of #{@generic_command_gui.tbl_cmd.selectedItems[0].text} and #{@generic_command_gui.tbl_cmd.selectedItems[1].text} commands"
    cmd.cmd_bus = @bus_id
    cmd.cmd_chip = @chip.chip_id
    cmd.save
    # Save cmd bytes
    bytesCmd1.each do |b1|
      byte = Byte.new
      byte.byte_index = b1.byte_index
      byte.byte_value = b1.byte_value
      byte.byte_description = b1.byte_description
      byte.byte_iteration = b1.byte_iteration
      byte.byte_cmd = Cmd.ids.last
      byte.save
    end
    bytesCmd2.each do |b2|
      byte2 = Byte.new
      byte2.byte_index = Byte.last.byte_index + 1
      byte2.byte_value = b2.byte_value
      byte2.byte_description = b2.byte_description
      byte2.byte_iteration = b2.byte_iteration
      byte2.byte_cmd = Cmd.ids.last
      byte2.save
    end
    feed_cmd_array
  end
rescue Exception => msg
  logger = Logger.new($logFilePath)
  logger.error msg
  Qt::MessageBox.new(Qt::MessageBox::Critical, 'Critical error', 'Error occured when concatenating the command. Consult the log for more details').exec
end

#delete_cmd ⇒ Object 



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# File 'lib/class/Generic_commands.rb', line 153

def delete_cmd
  msg = Qt::MessageBox.new
  msg.setWindowTitle('Delete command')
  msg.setText('Confirm the delete command action ?')
  msg.setIcon(Qt::MessageBox::Question)
  msg.setStandardButtons(Qt::MessageBox::Cancel | Qt::MessageBox::Ok)
  msg.setDefaultButton(Qt::MessageBox::Cancel)
  if msg.exec == Qt::MessageBox::Ok
    @chip.cmd.find_by(cmd_name: @generic_command_gui.tbl_cmd.currentItem.text).destroy
    feed_cmd_array
  end
rescue Exception => msg
  logger = Logger.new($logFilePath)
  logger.error msg
  Qt::MessageBox.new(Qt::MessageBox::Critical, 'Critical error', 'Error occured when deleting the command. Consult the log for more details').exec
end

#exec_action ⇒ Object

Execute action



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# File 'lib/class/Generic_commands.rb', line 89

def exec_action
  if @generic_command_gui.tbl_cmd.currentItem.nil?
    Qt::MessageBox.new(Qt::MessageBox::Critical, 'Missing command', 'Select a command in the array first').exec
    return 0
  end
  case @generic_command_gui.cbx_action.currentText
  when 'Execute'
    cmd_array = prepare_cmd
    result = exec_cmd(@bus_name, cmd_array)
    if @generic_command_gui.check_result.isChecked
      export_manager = Export_manager.new(@bus_name, result, cmd_array)
      export_manager.setWindowModality(Qt::ApplicationModal)
      export_manager.show
    end
  when 'Template'
    open_cmd_form(:option_1 => 'temp')
  when 'Edit'
    open_cmd_form(:option_1 => 'edit')
  when 'Concatenate'
    concatenate_cmds
  when 'Delete'
    delete_cmd
  else
    Qt::MessageBox.new(Qt::MessageBox::Critical, 'Wrong option', 'Please choose a correct action').exec
  end
rescue Exception => msg
  Qt::MessageBox.new(Qt::MessageBox::Critical, 'Critical error', 'Error occured while executing the action. Consult the logs for more details').exec
  logger = Logger.new($logFilePath)
  logger.error msg
end

#exec_cmd(bus, array_sent) ⇒ Object 



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# File 'lib/class/Generic_commands.rb', line 139

def exec_cmd(bus, array_sent)
    Firmware.new(@api, @bus_name)
    case bus
    when 'SPI'
      return check_send_and_received_data(@api.spi_Interact(@chip_settings.spi_mode, @speeds[@chip_settings.spi_frequency], array_sent))
    when 'I2C'
      return check_send_and_received_data(@api.i2c_Interact(@chip_settings.i2c_frequency, array_sent))
    end
rescue Exception => msg
  logger = Logger.new($logFilePath)
  logger.error msg
  Qt::MessageBox.new(Qt::MessageBox::Critical, 'Critical error', 'Error occured when executing the command. Consult the log for more details').exec
end

#feed_cmd_array ⇒ Object 



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# File 'lib/class/Generic_commands.rb', line 38

def feed_cmd_array
  @generic_command_gui.tbl_cmd.clearContents
  cmd = @chip.cmd.where(cmd_bus: @bus_id)
  unless @generic_command_gui.lie_search.text.empty?
    cmd = cmd.where('cmd_name LIKE ?', "%#{@generic_command_gui.lie_search.text}%")
  end
  @generic_command_gui.tbl_cmd.setRowCount(cmd.count);
  cmd.to_enum.with_index(0).each do |c, i|
    it1 = Qt::TableWidgetItem.new(c.cmd_name)
    it1.setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled)
    it2 =  Qt::TableWidgetItem.new(c.cmd_desc)
    it2.setFlags(Qt::ItemIsEnabled)
    @generic_command_gui.tbl_cmd.setItem(i, 0, it1);
    @generic_command_gui.tbl_cmd.setItem(i, 1, it2);
  end
  @generic_command_gui.tbl_cmd.resizeColumnsToContents
  @generic_command_gui.tbl_cmd.resizeRowsToContents
  @generic_command_gui.tbl_cmd.horizontalHeader.stretchLastSection = true
rescue Exception => msg
  logger = Logger.new($logFilePath)
  logger.error msg
  Qt::MessageBox.new(Qt::MessageBox::Critical, 'Critical error', 'Error while loading the command array. Consult the log for more details').exec
end

#open_cmd_form(options = {}) ⇒ Object 



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# File 'lib/class/Generic_commands.rb', line 240

def open_cmd_form(options={})
    if options[:option_1].nil?
      if @bus_name == 'I2C'
        cmdBase = I2c_command.new(@api, @chip, @bus_id, self)
      else
        cmdBase = Command_editor.new(0, nil, @chip, @bus_id, self, @api)
      end
    else
      if options[:option_1] == 'temp'
        cmdBase = Command_editor.new(1, @generic_command_gui.tbl_cmd.currentItem.text, @chip, @bus_id, self, @api)
      else
        cmdBase = Command_editor.new(2, @generic_command_gui.tbl_cmd.currentItem.text, @chip, @bus_id, self, @api)
      end
    end
  cmdBase.setWindowModality(Qt::ApplicationModal)
  cmdBase.show
end

#prepare_cmd ⇒ Object 



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# File 'lib/class/Generic_commands.rb', line 120

def prepare_cmd
  byte_list = Byte.where(byte_cmd: Cmd.find_by(cmd_name: @generic_command_gui.tbl_cmd.currentItem.text))
  array_sent = Array.new
  byte_list.each do |bl|
    if bl.byte_iteration != 0 && !bl.byte_iteration.nil?
      for i in 1..bl.byte_iteration.to_i do
        array_sent.push(bl.byte_value.to_i(16))
      end
    else
      array_sent.push(bl.byte_value.to_i(16))
    end
  end
  return array_sent
rescue Exception => msg
  logger = Logger.new($logFilePath)
  logger.error msg
  Qt::MessageBox.new(Qt::MessageBox::Critical, 'Critical error', 'Error occured when preparing the command. Consult the log for more details').exec
end

#select_chip_settings(bus) ⇒ Object 



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# File 'lib/class/Generic_commands.rb', line 62

def select_chip_settings(bus)
  case bus
  when 'SPI'
    @chip_settings = Spi.find_by(spi_chip: @chip.chip_id)
    @speeds = {
      '25.00' => 3,
      '18.75' => 4,
      '15.00' => 5,
      '12.50' => 6,
      '10.71' => 7,
      '9.38' => 8,
      '7.50' => 10,
      '5.00' => 15,
      '3.95' => 19,
      '3.00' => 25,
      '2.03' => 37,
      '1.00' => 75,
      '0.50' => 150,
      '0.29' => 255
    }
  when 'I2C'
    @chip_settings = I2C.find_by(i2c_chip: @chip.chip_id)
    @generic_command_gui.cbx_action.insertItem(3, 'Concatenate')
  end
end