#!/usr/bin/env ruby
#
# This plugin provides integration with OpenVAS. Written by kost and
# averagesecurityguy.
#
# $Id$
# $Revision$
#
# Distributed under MIT license:
# http://www.opensource.org/licenses/mit-license.php
#

require 'openvas/openvas-omp'

module Msf
class Plugin::OpenVAS < Msf::Plugin
	class OpenVASCommandDispatcher
		include Msf::Ui::Console::CommandDispatcher

		def name
			"OpenVAS"
		end

		def commands
			{
				'openvas_help' => "Displays help",
				'openvas_version' => "Display the version of the OpenVAS server",
				'openvas_debug' => "Enable/Disable debugging",
				'openvas_connect' => "Connect to an OpenVAS manager using OMP",
				'openvas_disconnect' => "Disconnect from OpenVAS manager",

				'openvas_task_create' => "Create a task (name, comment, target, config)",
				'openvas_task_delete' => "Delete task by ID",
				'openvas_task_list' => "Display list of tasks",
				'openvas_task_start' => "Start task by ID",
				'openvas_task_stop' => "Stop task by ID",
				'openvas_task_pause' => "Pause task by ID",
				'openvas_task_resume' => "Resume task by ID",
				'openvas_task_resume_or_start' => "Resume task or start task by ID",

				'openvas_target_create' => "Create target (name, hosts, comment)",
				'openvas_target_delete' => "Delete target by ID",
				'openvas_target_list' => "Display list of targets",

				'openvas_config_list' => "Quickly display list of configs",

				'openvas_format_list' => "Display list of available report formats",

				'openvas_report_list' => "Display a list of available report formats",
				'openvas_report_delete' => "Delete a report specified by ID",
				'openvas_report_download' => "Save a report to disk",
				'openvas_report_import' => "Import report specified by ID into framework",
			}
		end

		def cmd_openvas_help()
			print_status("openvas_help                  Display this help")
			print_status("openvas_debug                 Enable/Disable debugging")
			print_status("openvas_version               Display the version of the OpenVAS server")
			print_status
			print_status("CONNECTION")
			print_status("==========")
			print_status("openvas_connect               Connects to OpenVAS")
			print_status("openvas_disconnect            Disconnects from OpenVAS")
			print_status
			print_status("TARGETS")
			print_status("=======")
			print_status("openvas_target_create         Create target")
			print_status("openvas_target_delete         Deletes target specified by ID")
			print_status("openvas_target_list           Lists targets")
			print_status
			print_status("TASKS")
			print_status("=====")
			print_status("openvas_task_create           Create task")
			print_status("openvas_task_delete           Delete a task and all associated reports")
			print_status("openvas_task_list             Lists tasks")
			print_status("openvas_task_start            Starts task specified by ID")
			print_status("openvas_task_stop             Stops task specified by ID")
			print_status("openvas_task_pause            Pauses task specified by ID")
			print_status("openvas_task_resume           Resumes task specified by ID")
			print_status("openvas_task_resume_or_start  Resumes or starts task specified by ID")
			print_status
			print_status("CONFIGS")
			print_status("=======")
			print_status("openvas_config_list           Lists scan configurations")
			print_status
			print_status("FORMATS")
			print_status("=======")
			print_status("openvas_format_list           Lists available report formats")
			print_status
			print_status("REPORTS")
			print_status("=======")
			print_status("openvas_report_list           Lists available reports")
			print_status("openvas_report_delete         Delete a report specified by ID")
			print_status("openvas_report_import         Imports an OpenVAS report specified by ID")
			print_status("openvas_report_download       Downloads an OpenVAS report specified by ID")
		end

		# Verify the database is connected and usable
		def database?
			if !(framework.db and framework.db.usable)
				return false
			else
				return true
			end
		end

		# Verify there is an active OpenVAS connection
		def openvas?
			if @ov
				return true
			else
				print_error("No OpenVAS connection available. Please use openvas_connect.")
				return false
			end
		end

		# Verify correct number of arguments and verify -h was not given. Return
		# true if correct number of arguments and help was not requested.
		def args?(args, min=1, max=nil)
			if not max then max = min end
			if (args.length < min or args.length > max or args[0] == "-h")
				return false
			end

			return true
		end

	#--------------------------
	# Basic Functions
	#--------------------------
		def cmd_openvas_debug(*args)
			return unless openvas?

			if args?(args)
				begin
					resp = @ov.debug(args[0].to_i)
					print_good(resp)
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end
			else
				print_status("Usage:")
				print_status("openvas_debug integer")
			end
		end

		def cmd_openvas_version()
			return unless openvas?

			begin
				ver = @ov.get_version
				print_good("Using OMP version #{ver}")
			rescue OpenVASOMP::OMPError => e
				print_error(e.to_s)
			end
		end


	#--------------------------
	# Connection Functions
	#--------------------------
		def cmd_openvas_connect(*args)
			# Is the database configured?
			if not database?
				print_error("No database has been configured.")
				return
			end

			# Don't allow duplicate sessions
			if @ov then
				print_error("Session already open, please use openvas_disconnect first.")
				return
			end

			# Make sure the correct number of arguments are present.
			if args?(args, 4, 5)

				user, pass, host, port, sslv = args

				# SSL warning. User is required to confirm.
				if(host != "localhost" and host != "127.0.0.1" and sslv != "ok")
					print_error("Warning: SSL connections are not verified in this release, it is possible for an attacker")
					print_error("         with the ability to man-in-the-middle the OpenVAS traffic to capture the OpenVAS")
					print_error("         credentials. If you are running this on a trusted network, please pass in 'ok'")
					print_error("         as an additional parameter to this command.")
					return
				end

				begin
					print_status("Connecting to OpenVAS instance at #{host}:#{port} with username #{user}...")
					ov = OpenVASOMP::OpenVASOMP.new(user, pass, host, port)
				rescue OpenVASOMP::OMPAuthError => e
					print_error("Authentication failed: #{e.reason}")
					return
				rescue OpenVASOMP::OMPConnectionError => e
					print_error("Connection failed: #{e.reason}")
					return
				end
				print_good("OpenVAS connection successful")
				@ov = ov

			else
				print_status("Usage:")
				print_status("openvas_connect username password host port <ssl-confirm>")
			end
		end

		# Disconnect from an OpenVAS manager
		def cmd_openvas_disconnect()
			return unless openvas?
			@ov.logout
			@ov = nil
		end


	#--------------------------
	# Target Functions
	#--------------------------
		def cmd_openvas_target_create(*args)
			return unless openvas?

			if args?(args, 3)
				begin
					resp = @ov.target_create(args[0], args[1], args[2])
					print_status(resp)
					cmd_openvas_target_list
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end

			else
				print_status("Usage: openvas_target_create <name> <hosts> <comment>")
			end
		end

		def cmd_openvas_target_delete(*args)
			return unless openvas?

			if args?(args)
				begin
					resp = @ov.target_delete(args[0])
					print_status(resp)
					cmd_openvas_target_list
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end
			else
				print_status("Usage: openvas_target_delete <target_id>")
			end
		end

		def cmd_openvas_target_list(*args)
			return unless openvas?

			begin
				tbl = Rex::Ui::Text::Table.new(
							'Columns' => ["ID", "Name", "Hosts", "Max Hosts", "In Use", "Comment"])
				id = 0
				@ov.target_get_all().each do |target|
					tbl << [ id, target["name"], target["hosts"], target["max_hosts"],
					target["in_use"], target["comment"] ]
					id += 1
				end
				print_good("OpenVAS list of targets")
				print_line
				print_line tbl.to_s
				print_line
			rescue OpenVASOMP::OMPError => e
				print_error(e.to_s)
			end
		end

	#--------------------------
	# Task Functions
	#--------------------------
		def cmd_openvas_task_create(*args)
			return unless openvas?

			if args?(args, 4)
				begin
					resp = @ov.task_create(args[0], args[1], args[2], args[3])
					print_status(resp)
					cmd_openvas_task_list
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end

			else
				print_status("Usage: openvas_task_create <name> <comment> <config_id> <target_id>")
			end
		end

		def cmd_openvas_task_delete(*args)
			return unless openvas?

			if args?(args, 2)

				# User is required to confirm before deleting task.
				if(args[1] != "ok")
					print_error("Warning: Deleting a task will also delete all reports associated with the ")
					print_error("task, please pass in 'ok' as an additional parameter to this command.")
					return
				end

				begin
					resp = @ov.task_delete(args[0])
					print_status(resp)
					cmd_openvas_task_list
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end
			else
				print_status("Usage: openvas_task_delete <id> ok")
				print_error("This will delete the task and all associated reports.")
			end
		end

		def cmd_openvas_task_list(*args)
			return unless openvas?

			begin
				tbl = Rex::Ui::Text::Table.new(
							'Columns' => ["ID", "Name", "Comment", "Status", "Progress"])
				id = 0
				@ov.task_get_all().each do |task|
					tbl << [ id, task["name"], task["comment"], task["status"], task["progress"] ]
					id += 1
				end
				print_good("OpenVAS list of tasks")
				print_line
				print_line tbl.to_s
				print_line
			rescue OpenVASOMP::OMPError => e
				print_error(e.to_s)
			end
		end

		def cmd_openvas_task_start(*args)
			return unless openvas?

			if args?(args)
				begin
					resp = @ov.task_start(args[0])
					print_status(resp)
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end
			else
				print_status("Usage: openvas_task_start <id>")
			end
		end

		def cmd_openvas_task_stop(*args)
			return unless openvas?

			if args?(args)
				begin
					resp = @ov.task_stop(args[0])
					print_status(resp)
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end
			else
				print_status("Usage: openvas_task_stop <id>")
			end
		end

		def cmd_openvas_task_pause(*args)
			return unless openvas?

			if args?(args)
				begin
					resp = @ov.task_pause(args[0])
					print_status(resp)
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end
			else
				print_status("Usage: openvas_task_pause <id>")
			end
		end

		def cmd_openvas_task_resume(*args)
			return unless openvas?

			if args?(args)
				begin
					resp = @ov.task_resume_paused(args[0])
					print_status(resp)
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end
			else
				print_status("Usage: openvas_task_resume <id>")
			end
		end

		def cmd_openvas_task_resume_or_start(*args)
			return unless openvas?

			if args?(args)
				begin
					resp = @ov.task_resume_or_start(args[0])
					print_status(resp)
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end
			else
				print_status("Usage: openvas_task_resume_or_start <id>")
			end
		end

	#--------------------------
	# Config Functions
	#--------------------------
		def cmd_openvas_config_list(*args)
			return unless openvas?

			begin
				tbl = Rex::Ui::Text::Table.new(
					'Columns' => [ "ID", "Name" ])

				id = 0
				@ov.configs.each do |config|
					tbl << [ id, config["name"] ]
					id += 1
				end
				print_good("OpenVAS list of configs")
				print_line
				print_line tbl.to_s
				print_line
			rescue OpenVASOMP::OMPError => e
				print_error(e.to_s)
			end
		end

	#--------------------------
	# Format Functions
	#--------------------------
		def cmd_openvas_format_list(*args)
			return unless openvas?

			begin
				tbl = Rex::Ui::Text::Table.new(
							'Columns' => ["ID", "Name", "Extension", "Summary"])
				id = 0
				@ov.formats.each do |format|
					tbl << [ id, format["name"], format["extension"], format["summary"] ]
					id += 1
				end
				print_good("OpenVAS list of report formats")
				print_line
				print_line tbl.to_s
				print_line
			rescue OpenVASOMP::OMPError => e
				print_error(e.to_s)
			end
		end

	#--------------------------
	# Report Functions
	#--------------------------
		def cmd_openvas_report_list(*args)
			return unless openvas?

			begin
				tbl = Rex::Ui::Text::Table.new(
							'Columns' => ["ID", "Task Name", "Start Time", "Stop Time"])
				id = 0
				@ov.report_get_all().each do |report|
					tbl << [ id, report["task"], report["start_time"], report["stop_time"] ]
					id += 1
				end
				print_good("OpenVAS list of reports")
				print_line
				print_line tbl.to_s
				print_line
			rescue OpenVASOMP::OMPError => e
				print_error(e.to_s)
			end
		end

		def cmd_openvas_report_delete(*args)
			return unless openvas?

			if args?(args)
				begin
					resp = @ov.report_delete(args[0])
					print_status(resp)
					cmd_openvas_report_list
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end
			else
				print_status("Usage: openvas_report_delete <id>")
			end
		end

		def cmd_openvas_report_download(*args)
			return unless openvas?

			if args?(args, 4)
				begin
					report = @ov.report_get_by_id(args[0], args[1])
					::FileUtils.mkdir_p(args[2])
					name = ::File.join(args[2], args[3])
					print_status("Saving report to #{name}")
					output = ::File.new(name, "w")
					output.puts(report)
					output.close
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end
			else
				print_status("Usage: openvas_report_download <report_id> <format_id> <path> <report_name>")
			end
		end

		def cmd_openvas_report_import(*args)
			return unless openvas?

			if args?(args, 2)
				begin
					report = @ov.report_get_by_id(args[0], args[1])
					print_status("Importing report to database.")
					framework.db.import({:data => report})
				rescue OpenVASOMP::OMPError => e
					print_error(e.to_s)
				end
			else
				print_status("Usage: openvas_report_import <report_id> <format_id>")
				print_status("Only the NBE format is supported for importing.")
			end
		end

	end # End OpenVAS class

#------------------------------
# Plugin initialization
#------------------------------

	def initialize(framework, opts)
		super
		add_console_dispatcher(OpenVASCommandDispatcher)
		print_status("Welcome to OpenVAS integration by kost and averagesecurityguy.")
		print_status
		print_status("OpenVAS integration requires a database connection. Once the ")
		print_status("database is ready, connect to the OpenVAS server using openvas_connect.")
		print_status("For additional commands use openvas_help.")
		print_status
		@ov = nil
		@formats = nil
	end

	def cleanup
		remove_console_dispatcher('OpenVAS')
	end

	def name
		"OpenVAS"
	end

	def desc
		"Integrates with the OpenVAS - open source vulnerability management"
	end
end
end