##
# This file is part of the Metasploit Framework and may be subject to 
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##


require 'msf/core'
require 'yaml'


class Metasploit3 < Msf::Auxiliary

	#
	# This module sends email messages via smtp
	#
	include Msf::Exploit::Remote::SMTPDeliver

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Generic Emailer (SMTP)',
			'Description'    => %q{
				This module can be used to automate email delivery.
			This code is based on Joshua Abraham's email script for social 
			engineering.
			},
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision$',
			'References'     =>
				[
					[ 'URL', 'http://spl0it.org/' ],
				],	
			'Author'         => [ 'et <et[at]metasploit.com>' ]))
			
			register_options(
				[	
					OptString.new('RHOST', [true, "SMTP server address",'127.0.0.1']),
					OptString.new('RPORT', [true, "SMTP server port",'25']),
					OptString.new('YAML_CONFIG', [true, "Full path to YAML Configuration file",File.join(Msf::Config.install_root, "data","emailer_config.yaml")]),
				], self.class)	
		
		# Hide this option from the user		
		deregister_options('MAILTO')
	end
	
	def run

		fileconf = File.open(datastore['YAML_CONFIG'])
		yamlconf = YAML::load(fileconf) 
		
		fileto = yamlconf['to'] 
		from = yamlconf['from']
		subject = yamlconf['subject']
		type = yamlconf['type']
		msg_file = yamlconf['msg_file']
		wait = yamlconf['wait']
		add_name = yamlconf['add_name']
		sig = yamlconf['sig']
		sig_file = yamlconf['sig_file']
		attachment = yamlconf['attachment']
		attachment_file = yamlconf['attachment_file']
		attachment_file_type = yamlconf['attachment_file_type']
		attachment_file_name = yamlconf['attachment_file_name']
		
		datastore['MAILFROM'] = from
		
		msg = File.open(msg_file).read

		email_sig = File.open(sig_file).read

		if (type !~ /text/i and type !~ /text\/html/i)	
			print_error("YAML config: #{type}")
		end
	
		File.open(fileto).each do |l|
			if l !~ /\@/
				nil
			end
		
			nem = l.split(',')
			name = nem[0].split(' ')
			fname = name[0]
			lname = name[1]
			email = nem[1]
			
			
			print_status("[#{add_name}]")
			if add_name 
				email_msg_body = "#{fname},\n\n#{msg}" 			
			else 
				email_msg_body = msg
			end

			if sig
				data_sig = File.open(sig_file).read
				email_msg_body = "#{email_msg_body}\n#{data_sig}"
			end
			
			print_status("Emailing #{name} at #{email}")

			mime_msg = Rex::MIME::Message.new
			mime_msg.mime_defaults

			mime_msg.from = from
			mime_msg.to = email
			datastore['MAILTO'] = email.chomp
			mime_msg.subject = subject
			
			mime_msg.add_part(Rex::Text.encode_base64(email_msg_body, "\r\n"), type, "base64", "inline")
				
			if attachment
				if attachment_file_name
					data_attachment = File.open(attachment_file).read
					mime_msg.add_part(Rex::Text.encode_base64(data_attachment, "\r\n"), attachment_file_type, "base64", "attachment; filename=\"#{attachment_file_name}\"")
				end
			end
			
			send_message(mime_msg.to_s)
			sleep wait		
		end
	
		print_status("Email sent..")
	end
 end