Land #10282, Add support for running external modules outside of msfconsole

lib/msf/core/modules/external.rb

@@ -5,6 +5,7 @@ class Msf::Modules::External
 
   autoload :Bridge, 'msf/core/modules/external/bridge'
   autoload :Message, 'msf/core/modules/external/message'
+  autoload :CLI, 'msf/core/modules/external/cli'
 
   attr_reader :path
 

lib/msf/core/modules/external/bridge.rb

@@ -114,7 +114,11 @@ module Msf::Modules
               # stdout might have some buffered data left, so carry on
               if fds.include?(err) && !err.eof?
                 errbuf = err.readpartial(4096)
+                if self.framework
                   elog "Unexpected output running #{self.path}:\n#{errbuf}"
+                else
+                  $stderr.puts errbuf
+                end
               end
               if fds.include? out
                 self.buf << out.readpartial(4096)

lib/msf/core/modules/external/cli.rb

@@ -0,0 +1,118 @@
+# -*- coding: binary -*-
+# CLI for interaction with modules outside of msfconsole
+
+require 'optparse'
+
+module Msf::Modules::External::CLI
+  def self.parse_options(mod)
+    action = 'run'
+    actions = ['run'] + mod.meta['capabilities']
+    args = mod.meta['options'].reduce({}) do |defaults, (n, opt)|
+      if opt['default'].nil?
+        if opt['required']
+          defaults
+        else
+          defaults[n] = nil
+          defaults
+        end
+      else
+        defaults[n] = opt['default']
+        defaults
+      end
+    end
+
+    op = OptionParser.new do |opts|
+      if $0 != mod.path
+        opts.banner = "Usage: #{$0} #{mod.path} [OPTIONS] [ACTION]"
+      end
+      opts.separator ""
+
+      opts.separator mod.meta['description']
+      opts.separator ""
+
+      opts.separator "Postitional arguments:"
+      opts.separator "  ACTION:    The action to take (#{actions.inspect})"
+      opts.separator ""
+
+      opts.separator "Required arguments:"
+      make_options opts, args, mod.meta['options'].select {|n, o| o['required'] && o['default'].nil?}
+      opts.separator ""
+
+      opts.separator "Optional arguments:"
+      make_options opts, args, mod.meta['options'].select {|n, o| !o['required'] || !o['default'].nil?}
+
+      opts.on '-h', '--help', 'Prints this help' do
+        $stderr.puts opts
+        exit
+      end
+    end
+
+    begin
+      extra = op.permute *ARGV
+      # If no extra args are given we use the default action
+      if extra.length == 1
+        action = extra.shift
+      elsif extra.length > 1
+        action = extra.shift
+        $stderr.puts "WARNING: unrecognized arguments #{extra.inspect}"
+      end
+    rescue OptionParser::InvalidArgument => e
+      $stderr.puts e.message
+      abort
+    rescue OptionParser::MissingArgument => e
+      $stderr.puts e.message
+      abort
+    end
+
+    required = mod.meta['options'].select {|_, o| o['required']}.map {|n, _| n}.sort
+
+    # Were we run with any non-module options if we need them?
+    if args.empty? && !required.empty?
+      $stderr.puts op
+      exit
+    # Did someone forget to add some options we need?
+    elsif (args.keys & required).sort != required
+      missing = required - (args.keys & required)
+      abort "Missing required option(s): #{missing.map {|o| '--' + o}.join ', '}"
+    end
+
+    unless action == 'run' || mod.meta['capabilities'].include?(action)
+      $stderr.puts "Invalid ACTION choice #{action.inspect} (choose from #{actions.inspect})"
+      abort
+    end
+
+    action =
+      case action
+      when 'run'; :run
+      when 'soft_check'; :soft_check
+      when 'hard_check'; :hard_check
+      end
+    [args, action]
+  end
+
+  def self.choose_type(t)
+    if t == 'int' or t == 'port'
+      Integer
+    elsif t == 'float'
+      Float
+    elsif t.match /range$/
+      Array
+    else # XXX TODO add validation for addresses and other MSF option types
+      String
+    end
+  end
+
+  def self.make_options(parser, out, args)
+    args.each do |n, opt|
+      name = n.gsub '_', '-'
+      desc = if opt['default']
+        "#{opt['description']}, (default: #{opt['default']})"
+      else
+        opt['description']
+      end
+      parser.on "--#{name} #{n.upcase}", choose_type(opt['type']), desc do |arg|
+        out[n] = arg
+      end
+    end
+  end
+end

lib/msf/core/modules/external/python/metasploit/cli.py

@@ -0,0 +1,80 @@
+from __future__ import print_function
+
+import argparse
+import json
+import re
+import sys
+
+
+def eprint(*args, **kwargs):
+    print(*args, file=sys.stderr, **kwargs)
+
+
+def log(message, level='info'):
+    # logging goes to stderr
+    sigil = '*'
+    if level == 'warning' or level == 'error':
+        sigil = '!'
+    elif level == 'good':
+        sigil = '+'
+    eprint('[{}] {}'.format(sigil, message))
+
+
+def report(kind, data):
+    # actual results go to stdout
+    print("[+] Found {}: {}".format(kind, json.dumps(data, separators=(',', ':'))))
+
+
+def ret(result):
+    print(result)
+
+
+def parse(meta):
+    parser = argparse.ArgumentParser(description=meta['description'])
+    actions = ['run'] + meta['capabilities']
+    parser.add_argument(
+            'action',
+            nargs='?',
+            metavar="ACTION",
+            help="The action to take ({})".format(actions),
+            default='run',
+            choices=actions)
+
+    required_group = parser.add_argument_group('required arguments')
+    for opt, props in meta['options'].items():
+        group = parser
+        desc = props['description']
+        required = props['required'] and (props.get('default', None) is None)
+        if props.get('default', None) is not None:
+            desc = "{}, (default: {})".format(props['description'], props['default'])
+
+        if required:
+            group = required_group
+        group.add_argument(
+                '--' + opt.replace('_', '-'),
+                help=desc,
+                default=props.get('default', None),
+                type=choose_type(props['type']),
+                required=required,
+                dest=opt)
+
+    opts = parser.parse_args()
+    args = vars(opts)
+    action = args['action']
+    del args['action']
+    return {'id': '0', 'params': args, 'method': action}
+
+
+def choose_type(t):
+    if t == 'int' or t == 'port':
+        return int
+    elif t == 'float':
+        return float
+    elif re.search('range$', t):
+        return comma_list
+    else: # XXX TODO add validation for addresses and other MSF option types
+        return str
+
+
+def comma_list(v):
+    return v.split(',')

lib/msf/core/modules/external/python/metasploit/login_scanner.py

@@ -8,12 +8,12 @@ def make_scanner(login_callback):
 
 
 def run_scanner(args, login_callback):
-    userpass = args['userpass']
+    userpass = args['userpass'] or []
     rhost = args['rhost']
     rport = int(args['rport'])
-    sleep_interval = float(args['sleep_interval'])
+    sleep_interval = float(args['sleep_interval'] or 0)
 
-    if isinstance(userpass, str):
+    if isinstance(userpass, str) or isinstance(userpass, unicode):
         userpass = [ attempt.split(' ', 1) for attempt in userpass.splitlines() ]
 
     curr = 0

lib/msf/core/modules/external/python/metasploit/module.py

@@ -3,6 +3,10 @@ import logging
 import os
 import sys
 
+from metasploit import cli
+
+__CLI_MODE__ = False
+
 
 class LogFormatter(logging.Formatter):
     def __init__(self, prefix, *args, **kwargs):
@@ -37,12 +41,14 @@ class LogHandler(logging.Handler):
         logger.addHandler(handler)
         return handler
 
-
 def log(message, level='info'):
+    if not __CLI_MODE__:
         rpc_send({'jsonrpc': '2.0', 'method': 'message', 'params': {
             'level': level,
             'message': message
         }})
+    else:
+        cli.log(message, level)
 
 
 def report_host(ip, **opts):
@@ -76,9 +82,8 @@ def report_wrong_password(username, password, **opts):
 
 
 def run(metadata, module_callback, soft_check=None):
-    req = json.loads(os.read(0, 10000).decode("utf-8"))
-    callback = None
-    if req['method'] == 'describe':
+    global __CLI_MODE__
+
     caps = []
     if soft_check:
         caps.append('soft_check')
@@ -86,6 +91,17 @@ def run(metadata, module_callback, soft_check=None):
     meta = metadata.copy()
     meta.update({'capabilities': caps})
 
+    if len(sys.argv) > 1:
+        __CLI_MODE__ = True
+
+    req = None
+    if __CLI_MODE__:
+        req = cli.parse(meta)
+    else:
+        req = json.loads(os.read(0, 10000).decode("utf-8"))
+
+    callback = None
+    if req['method'] == 'describe':
         rpc_send({'jsonrpc': '2.0', 'id': req['id'], 'result': meta})
     elif req['method'] == 'soft_check':
         if soft_check:
@@ -98,6 +114,9 @@ def run(metadata, module_callback, soft_check=None):
     if callback:
         args = req['params']
         ret = callback(args)
+        if ret and __CLI_MODE__:
+            cli.ret(ret)
+
         rpc_send({'jsonrpc': '2.0', 'id': req['id'], 'result': {
             'message': 'Module completed',
             'return': ret
@@ -105,11 +124,17 @@ def run(metadata, module_callback, soft_check=None):
 
 
 def report(kind, data):
+    if not __CLI_MODE__:
         rpc_send({'jsonrpc': '2.0', 'method': 'report', 'params': {
             'type': kind, 'data': data
         }})
+    else:
+        cli.report(kind, data)
 
 
 def rpc_send(req):
+    # Silently ignore when run manually, the calling code should know how to
+    # handle if it is important
+    if not __CLI_MODE__:
         print(json.dumps(req))
         sys.stdout.flush()

lib/msf/core/modules/external/shim.rb

@@ -38,18 +38,14 @@ class Msf::Modules::External::Shim
     render_template('common_check.erb', meta)
   end
 
-  def self.mod_meta_common(mod, meta = {}, drop_rhost: false)
+  def self.mod_meta_common(mod, meta = {}, ignore_options: [])
     meta[:path]        = mod.path.dump
     meta[:name]        = mod.meta['name'].dump
     meta[:description] = mod.meta['description'].dump
     meta[:authors]     = mod.meta['authors'].map(&:dump).join(",\n          ")
     meta[:license]     = mod.meta['license'].nil? ? 'MSF_LICENSE' : mod.meta['license']
 
-    options = if drop_rhost
-      mod.meta['options'].reject {|n, o| n == 'rhost'}
-    else
-      mod.meta['options']
-    end
+    options = mod.meta['options'].reject {|n, _| ignore_options.include? n}
 
     meta[:options]     = options.map do |n, o|
       if o['values']
@@ -92,7 +88,7 @@ class Msf::Modules::External::Shim
   end
 
   def self.remote_exploit_cmd_stager(mod)
-    meta = mod_meta_common(mod)
+    meta = mod_meta_common(mod, ignore_options: ['command'])
     meta = mod_meta_exploit(mod, meta)
     meta[:command_stager_flavor] = mod.meta['payload']['command_stager_flavor'].dump
     render_template('remote_exploit_cmd_stager.erb', meta)
@@ -104,7 +100,7 @@ class Msf::Modules::External::Shim
   end
 
   def self.single_scanner(mod)
-    meta = mod_meta_common(mod, drop_rhost: true)
+    meta = mod_meta_common(mod, ignore_options: ['rhost'])
     meta[:date] = mod.meta['date'].dump
     meta[:references] = mod.meta['references'].map do |r|
       "[#{r['type'].upcase.dump}, #{r['ref'].dump}]"
@@ -114,7 +110,7 @@ class Msf::Modules::External::Shim
   end
 
   def self.single_host_login_scanner(mod)
-    meta = mod_meta_common(mod, drop_rhost: true)
+    meta = mod_meta_common(mod, ignore_options: ['rhost'])
     meta[:date] = mod.meta['date'].dump
     meta[:references] = mod.meta['references'].map do |r|
       "[#{r['type'].upcase.dump}, #{r['ref'].dump}]"

modules/exploits/linux/smtp/haraka.py

@@ -52,7 +52,8 @@ metadata = {
         'email_to': {'type': 'string', 'description': 'Email to send to, must be accepted by the server', 'required': True, 'default': 'admin@localhost'},
         'email_from': {'type': 'string', 'description': 'Address to send from', 'required': True, 'default': 'foo@example.com'},
         'rhost': {'type': 'address', 'description': 'Target server', 'required': True, 'default': None},
-        'rport': {'type': 'port', 'description': 'Target server port', 'required': True, 'default': 25}
+        'rport': {'type': 'port', 'description': 'Target server port', 'required': True, 'default': 25},
+        'command': {'type': 'string', 'description': 'Command to run on the target', 'required': True, 'default': '/bin/echo hello'}
      }}
 
 
@@ -110,7 +111,11 @@ def create_zip(cmd="touch /tmp/harakiri"):
 def check_banner(args):
     module.log('{}:{} Starting banner check for Haraka < 2.8.9'.format(args['rhost'], args['rport']), level='debug')
     c = smtplib.SMTP()
+    try:
         (code, banner) = c.connect(args['rhost'], int(args['rport']))
+    except:
+        return 'unknown'
+
     c.quit()
 
     if code == 220 and 'Haraka' in banner:

tools/modules/solo.rb

@@ -0,0 +1,69 @@
+#!/usr/bin/env ruby
+
+module Msf
+  module Modules
+  end
+end
+
+msfbase = __FILE__
+while File.symlink?(msfbase)
+  msfbase = File.expand_path(File.readlink(msfbase), File.dirname(msfbase))
+end
+
+$:.unshift(File.expand_path(File.join(File.dirname(msfbase), '..', '..', 'lib')))
+require 'msf/core/modules/external'
+
+require 'json'
+
+module_path = ARGV.shift
+
+# Usage when we don't have a module name
+def usage(mod='MODULE_FILE', name='Run a module outside of Metasploit Framework')
+  $stderr.puts "Usage: solo.rb #{mod} [OPTIONS] [ACTION]"
+  $stderr.puts name
+end
+
+def log_output(m)
+  message = m.params['message']
+
+  sigil = case m.params['level']
+  when 'error', 'warning'
+    '!'
+  when 'good'
+    '+'
+  else
+    '*'
+  end
+
+  $stderr.puts "[#{sigil}] #{message}"
+end
+
+def process_report(m)
+  puts "[+] Found #{m.params['type']}: #{JSON.generate m.params['data']}"
+end
+
+if !module_path || module_path[0] == '-'
+  usage
+else
+  mod = Msf::Modules::External.new module_path
+  args, method = Msf::Modules::External::CLI.parse_options mod
+
+  success = mod.exec(method: method, args: args) do |m|
+    begin
+      case m.method
+      when :message
+        log_output(m)
+      when :report
+        process_report(m)
+      when :reply
+        puts m.params['return']
+      end
+    rescue Interrupt => e
+      abort 'Exiting...'
+    rescue Exception => e
+      abort "Encountered an error: #{e.message}"
+    end
+  end
+
+  abort 'Module exited abnormally' if !success
+end