Add option handling to msfdb

Can now specify custom interface and port.
Now able to specify starting in HTTPS mode.

lib/msf/core/db_manager/http/http_db_manager_service.rb

@@ -16,12 +16,14 @@ class HttpDBManagerService
 
     require_environment!(parsed_options)
 
-    ssl_opts = {}
-    ssl_opts[:private_key_file] = '/Users/jbarnett/rapid7/goliath/key.pem'
-    ssl_opts[:cert_chain_file] = '/Users/jbarnett/rapid7/goliath/cert.pem'
-    ssl_opts[:verify_peer] = false
-    opts[:ssl] = true
-    opts[:ssl_opts] = ssl_opts
+    if opts[:ssl]
+      ssl_opts = {}
+      ssl_opts[:private_key_file] = opts[:ssl_key]
+      ssl_opts[:cert_chain_file] = opts[:ssl_cert]
+      ssl_opts[:verify_peer] = false
+      opts[:ssl] = true
+      opts[:ssl_opts] = ssl_opts
+    end
 
     init_db
     start_http_server(opts)
@@ -41,6 +43,7 @@ class HttpDBManagerService
       }
 
       if opts[:ssl] && opts[:ssl] = true
+        puts "Starting in HTTPS mode"
         server.ssl = true
         server.ssl_options = opts[:ssl_opts]
       end

msfdb

@@ -7,4 +7,76 @@
 require 'pathname'
 require Pathname.new(__FILE__).realpath.expand_path.parent.join('config', 'boot')
 require 'msf/core/db_manager/http/http_db_manager_service'
-HttpDBManagerService.new().start(:Port => '8080', :Host => '0.0.0.0')
+require 'optparse'
+
+class HelpError < StandardError; end
+
+class SwitchError < StandardError
+  def initialize(msg="Missing required switch.")
+    super(msg)
+  end
+end
+
+def parse_args(args)
+  opts = {}
+  opt = OptionParser.new
+  banner = "msfdb - A remote database process for Metasploit Framework.\n"
+  banner << "Usage: #{$0} [options] <var=val>"
+  opt.banner = banner
+  opt.separator('')
+  opt.separator('Options:')
+
+  # Defaults:
+  opts[:interface] = '0.0.0.0'
+  opts[:port] = 8080
+  opts[:ssl] = false
+  opts[:ssl_cert] = nil
+  opts[:ssl_key] = nil
+
+  opt.on('-i', '--interface  <interface>', String, 'Interface to listen on') do |p|
+    opts[:interface] = p
+  end
+
+  opt.on('-p', '--port       <port number>', Integer, 'Port to listen on') do |p|
+    opts[:port] = p
+  end
+
+  opt.on('-s', '--ssl', 'Enable SSL on the server') do |p|
+    opts[:ssl] = true
+  end
+
+  opt.on('-c', '--cert      <path/to/cert.pem>', String, 'Path to your SSL Certificate file') do |p|
+    opts[:ssl_cert] = p
+  end
+
+  opt.on('-k', '--key       <path/to/key.pem>', String, 'Path to your SSL Key file') do |p|
+    opts[:ssl_key] = p
+  end
+
+  opt.on_tail('-h', '--help', 'Show this message') do
+    raise HelpError, "#{opt}"
+  end
+
+  begin
+    opt.parse!(args)
+  rescue OptionParser::InvalidOption => e
+    raise UsageError, "Invalid option\n#{opt}"
+  rescue OptionParser::MissingArgument => e
+    raise UsageError, "Missing required argument for option\n#{opt}"
+  end
+
+  opts
+end
+
+begin
+  opts = parse_args(ARGV)
+  raise SwitchError.new("certificate file and key file must be specified when using -s") if opts[:ssl] && (opts[:ssl_key].nil? || opts[:ssl_cert].nil?)
+  HttpDBManagerService.new.start(:Port => opts[:port],
+                                 :Host => opts[:interface],
+                                 :ssl => opts[:ssl],
+                                 :ssl_cert => opts[:ssl_cert],
+                                 :ssl_key => opts[:ssl_key])
+rescue HelpError => e
+  $stderr.puts e.message
+end
+