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| 1 | +require 'socket' |
| 2 | + |
| 3 | +# this is the main routine that's executed in the grandchild process (msfconsole -> fzf -> this) |
| 4 | +if $PROGRAM_NAME == __FILE__ |
| 5 | + exit 64 unless ARGV.length == 2 |
| 6 | + |
| 7 | + UNIXSocket.open(ARGV[0]) do |sock| |
| 8 | + sock.write ARGV[1] + "\n" |
| 9 | + sock.flush |
| 10 | + |
| 11 | + puts sock.read |
| 12 | + end |
| 13 | + exit 0 |
| 14 | +end |
| 15 | + |
| 16 | +module Msf |
| 17 | + class Plugin::FuzzyUse < Msf::Plugin |
| 18 | + class ConsoleCommandDispatcher |
| 19 | + include Msf::Ui::Console::CommandDispatcher |
| 20 | + |
| 21 | + FZF_THEME = { |
| 22 | + 'fg' => '-1', |
| 23 | + 'fg+' => 'white:regular:bold', |
| 24 | + 'bg' => '-1', |
| 25 | + 'bg+' => '-1', |
| 26 | + 'hl' => '-1', |
| 27 | + 'hl+' => 'red:regular:bold', |
| 28 | + 'info' => '-1', |
| 29 | + 'marker' => '-1', |
| 30 | + 'prompt' => '-1', |
| 31 | + 'spinner' => '-1', |
| 32 | + 'pointer' => 'blue:bold', |
| 33 | + 'header' => '-1', |
| 34 | + 'border' => '-1', |
| 35 | + 'label' => '-1', |
| 36 | + 'query' => '-1' |
| 37 | + }.freeze |
| 38 | + |
| 39 | + def initialize(driver) |
| 40 | + super |
| 41 | + |
| 42 | + @module_dispatcher = Msf::Ui::Console::CommandDispatcher::Modules.new(driver) |
| 43 | + end |
| 44 | + |
| 45 | + def name |
| 46 | + 'FuzzyUse' |
| 47 | + end |
| 48 | + |
| 49 | + # |
| 50 | + # Returns the hash of commands supported by this dispatcher. |
| 51 | + # |
| 52 | + def commands |
| 53 | + { |
| 54 | + 'fzuse' => 'A fuzzy use command added by the FuzzyUse plugin' |
| 55 | + } |
| 56 | + end |
| 57 | + |
| 58 | + def pipe_server(socket_path) |
| 59 | + server = UNIXServer.new(socket_path) |
| 60 | + File.chmod(0600, socket_path) |
| 61 | + loop do |
| 62 | + client = server.accept |
| 63 | + begin |
| 64 | + unless (input_string = client.gets&.chomp).blank? |
| 65 | + if (mod = framework.modules.create(input_string)) |
| 66 | + client.puts(Serializer::ReadableText.dump_module(mod)) |
| 67 | + end |
| 68 | + end |
| 69 | + rescue StandardError |
| 70 | + end |
| 71 | + client.close |
| 72 | + end |
| 73 | + rescue EOFError |
| 74 | + ensure |
| 75 | + server.close if server |
| 76 | + File.delete(socket_path) if File.exist?(socket_path) |
| 77 | + end |
| 78 | + |
| 79 | + # |
| 80 | + # This method handles the fzuse command. |
| 81 | + # |
| 82 | + def cmd_fzuse(*args) |
| 83 | + selection = nil |
| 84 | + |
| 85 | + Dir.mktmpdir('msf-fzuse-') do |dir| |
| 86 | + socket_path = File.join(dir, "msf-fzuse.sock") |
| 87 | + server_thread = Thread.new { pipe_server(socket_path) } |
| 88 | + |
| 89 | + query = args.empty? ? '' : args.first |
| 90 | + ruby = RbConfig::CONFIG['bindir'] + '/' + RbConfig::CONFIG['ruby_install_name'] + RbConfig::CONFIG['EXEEXT'] |
| 91 | + |
| 92 | + color = "--color=#{FZF_THEME.map { |key, value| "#{key}:#{value}" }.join(',')}" |
| 93 | + Open3.popen3('fzf', '--select-1', '--query', query, '--pointer=->', color, '--preview', "'#{ruby}' '#{__FILE__}' '#{socket_path}' '{1}'", '--preview-label', "Module Information") do |stdin, stdout, stderr, wait_thr| |
| 94 | + framework.modules.module_types.each do |module_type| |
| 95 | + framework.modules.module_names(module_type).each do |module_name| |
| 96 | + stdin.puts "#{module_type}/#{module_name}" |
| 97 | + end |
| 98 | + end |
| 99 | + stdin.close |
| 100 | + selection = stdout.read |
| 101 | + end |
| 102 | + |
| 103 | + server_thread.kill |
| 104 | + server_thread.join |
| 105 | + end |
| 106 | + |
| 107 | + return if selection.blank? |
| 108 | + |
| 109 | + selection.strip! |
| 110 | + @module_dispatcher.cmd_use(selection) |
| 111 | + end |
| 112 | + end |
| 113 | + |
| 114 | + def initialize(framework, opts) |
| 115 | + super |
| 116 | + |
| 117 | + unless defined?(UNIXSocket) |
| 118 | + # This isn't a requirement that can be fixed by installing something |
| 119 | + print_error("The FuzzyUse plugin has loaded but the Ruby environment does not support UNIX sockets.") |
| 120 | + return |
| 121 | + end |
| 122 | + |
| 123 | + missing_requirements = [] |
| 124 | + missing_requirements << 'fzf' unless Msf::Util::Helper.which('fzf') |
| 125 | + |
| 126 | + unless missing_requirements.empty? |
| 127 | + print_error("The FuzzyUse plugin has loaded but the following requirements are missing: #{missing_requirements.join(', ')}") |
| 128 | + print_error("Please install the missing requirements, then reload the plugin by running: `unload fzuse` and `load fzuse`.") |
| 129 | + return |
| 130 | + end |
| 131 | + |
| 132 | + add_console_dispatcher(ConsoleCommandDispatcher) |
| 133 | + |
| 134 | + print_status('FuzzyUse plugin loaded.') |
| 135 | + end |
| 136 | + |
| 137 | + def cleanup |
| 138 | + remove_console_dispatcher('FuzzyUse') |
| 139 | + end |
| 140 | + |
| 141 | + def name |
| 142 | + 'fuzzy_use' |
| 143 | + end |
| 144 | + |
| 145 | + def desc |
| 146 | + 'A plugin offering a fuzzy use command' |
| 147 | + end |
| 148 | + |
| 149 | + end |
| 150 | +end |
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