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Refactor and clean up reload_lib -a and others

GSoC/Meterpreter_Web_Console
William Vu 2018-09-27 21:49:13 -05:00
parent 3ca95933a1
commit ab56ac6655
2 changed files with 84 additions and 58 deletions
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108
lib/msf/ui/console/command_dispatcher/developer.rb
View File

@ -5,8 +5,9 @@ class Msf::Ui::Console::CommandDispatcher::Developer
include Msf::Ui::Console::CommandDispatcher
@@irb_opts = Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner." ],
"-e" => [ true, "Expression to evaluate." ])
'-h' => [false, 'Help menu.' ],
'-e' => [true, 'Expression to evaluate.']
)
def initialize(driver)
super
@ -18,11 +19,11 @@ class Msf::Ui::Console::CommandDispatcher::Developer
def commands
{
'irb' => 'Drop into irb scripting mode',
'pry' => 'Open a Pry session on the current module or Framework',
'irb' => 'Open an interactive Ruby shell in the current context',
'pry' => 'Open the Pry debugger on the current module or Framework',
'edit' => 'Edit the current module or a file with the preferred editor',
'reload_lib' => 'Reload one or more library files from specified paths',
'log' => 'Displays framework.log starting at the bottom if possible'
'reload_lib' => 'Reload Ruby library files from specified paths',
'log' => 'Display framework.log paged to the end if possible'
}
end
@ -35,45 +36,53 @@ class Msf::Ui::Console::CommandDispatcher::Developer
end
# XXX: This will try to reload *any* .rb and break on modules
# If silent is true, errors will not be printed
def reload_file(path, silent=false)
unless File.exist?(path) && path.end_with?('.rb')
print_error("#{path} must exist and be a .rb file") unless silent
def reload_file(path, print_errors: true)
full_path = File.expand_path(path)
unless File.exist?(full_path) && full_path.end_with?('.rb')
print_error("#{full_path} must exist and be a .rb file") if print_errors
return
end
# The file must exist to reach this, so we try our best here
if path =~ %r{^(?:\./)?modules/}
print_error("Reloading Metasploit modules is not supported (try 'reload')") unless silent
if full_path.start_with?(Msf::Config.module_directory, Msf::Config.user_module_directory)
print_error('Reloading Metasploit modules is not supported (try "reload")') if print_errors
return
end
print_status("Reloading #{path}")
load path
print_status("Reloading #{full_path}")
load full_path
end
def reload_diff_files
output, status = Open3.capture2e(*%w(git diff --name-only *.rb :!modules), chdir: Msf::Config.install_root)
if status.success?
files = output.split("\n")
files.each do |file|
f = File.join(Msf::Config.install_root, file)
reload_file(f, true)
end
else
print_error "Git is not available."
# NOTE: At present, we include *.rb and exclude modules
def reload_changed_files
# Using an array avoids shelling out, so we avoid escaping/quoting
changed_files = %w[git diff --name-only *.rb :!modules]
output, status = Open3.capture2e(*changed_files, chdir: Msf::Config.install_root)
unless status.success?
print_error("Git is not available: #{output.chomp}")
return
end
files = output.split("\n")
files.each do |file|
f = File.join(Msf::Config.install_root, file)
reload_file(file, print_errors: false)
end
end
def cmd_irb_help
print_line "Usage: irb"
print_line 'Usage: irb'
print_line
print_line "Execute commands in a Ruby environment"
print_line 'Open an interactive Ruby shell in the current context.'
print @@irb_opts.usage
end
#
# Goes into IRB scripting mode
# Open an interactive Ruby shell in the current context
#
def cmd_irb(*args)
expressions = []
@ -90,10 +99,16 @@ class Msf::Ui::Console::CommandDispatcher::Developer
end
if expressions.empty?
print_status("Starting IRB shell...\n")
print_status('Starting IRB shell...')
begin
Rex::Ui::Text::IrbShell.new(binding).run
if active_module
print_status("You are in #{active_module.fullname}\n")
Rex::Ui::Text::IrbShell.new(active_module).run
else
print_status("You are in the \"framework\" object\n")
Rex::Ui::Text::IrbShell.new(framework).run
end
rescue
print_error("Error during IRB: #{$!}\n\n#{$@.join("\n")}")
end
@ -103,6 +118,11 @@ class Msf::Ui::Console::CommandDispatcher::Developer
driver.input.reset_tab_completion
end
else
# XXX: No vprint_status here either
if framework.datastore['VERBOSE'].to_s == 'true'
print_status("You are executing expressions in #{binding.receiver}")
end
expressions.each { |expression| eval(expression, binding) }
end
end
@ -118,12 +138,12 @@ class Msf::Ui::Console::CommandDispatcher::Developer
def cmd_pry_help
print_line 'Usage: pry'
print_line
print_line 'Open a Pry session on the current module or Framework.'
print_line 'Open the Pry debugger on the current module or Framework.'
print_line
end
#
# Open a Pry session on the current module or Framework
# Open the Pry debugger on the current module or Framework
#
def cmd_pry(*args)
if args.include?('-h')
@ -155,7 +175,7 @@ class Msf::Ui::Console::CommandDispatcher::Developer
print_line
print_line "Edit the currently active module or a local file with #{local_editor}."
print_line 'If a library file is specified, it will automatically be reloaded after editing.'
print_line "Otherwise, you can reload the active module with 'reload' or 'rerun'."
print_line 'Otherwise, you can reload the active module with "reload" or "rerun".'
print_line
end
@ -206,32 +226,32 @@ class Msf::Ui::Console::CommandDispatcher::Developer
end
def cmd_reload_lib_help
cmd_reload_lib '-h'
cmd_reload_lib('-h')
end
#
# Reload one or more library files from specified paths
# Reload Ruby library files from specified paths
#
def cmd_reload_lib(*args)
opts = OptionParser.new do |opts|
options = OptionParser.new do |opts|
opts.banner = 'Usage: reload_lib lib/to/reload.rb [...]'
opts.separator 'Reload specified Ruby library files.'
opts.separator ''
opts.separator 'Reload Ruby library files from specified paths.'
opts.separator ''
opts.on '-h', '--help', 'Help banner.' do
return print(opts.help)
end
opts.on '-a', '--all', 'Reload all* changed files in your current git working tree.
opts.on '-a', '--all', 'Reload all* changed files in your current Git working tree.
*Excludes modules and non-Ruby files.' do
reload_diff_files
reload_changed_files
return
end
end
rest = opts.order(args)
rest.each { |path| reload_file(path) }
files = options.order(args)
files.each { |file| reload_file(file) }
end
#
@ -244,15 +264,15 @@ class Msf::Ui::Console::CommandDispatcher::Developer
def cmd_log_help
print_line 'Usage: log'
print_line
print_line 'Displays framework.log starting at the bottom if possible.'
print_line "For full effect, 'setg LogLevel 3' before running modules."
print_line 'Display framework.log paged to the end if possible.'
print_line 'For full effect, "setg LogLevel 3" before running modules.'
print_line
print_line "Log location: #{File.join(Msf::Config.log_directory, 'framework.log')}"
print_line
end
#
# Displays framework.log starting at the bottom if possible
# Display framework.log paged to the end if possible
#
def cmd_log(*args)
path = File.join(Msf::Config.log_directory, 'framework.log')

34
lib/rex/post/meterpreter/ui/console/command_dispatcher/core.rb
View File

@ -34,12 +34,14 @@ class Console::CommandDispatcher::Core
end
@@irb_opts = Rex::Parser::Arguments.new(
'-h' => [false, 'Help banner.'],
'-e' => [true, 'Expression to evaluate.'])
'-h' => [false, 'Help menu.' ],
'-e' => [true, 'Expression to evaluate.']
)
@@load_opts = Rex::Parser::Arguments.new(
'-l' => [false, 'List all available extensions'],
'-h' => [false, 'Help menu.'])
'-h' => [false, 'Help menu.' ],
'-l' => [false, 'List all available extensions.']
)
#
# List of supported commands.
@ -52,8 +54,8 @@ class Console::CommandDispatcher::Core
'channel' => 'Displays information or control active channels',
'exit' => 'Terminate the meterpreter session',
'help' => 'Help menu',
'irb' => 'Drop into irb scripting mode',
'pry' => 'Open a Pry session on the current session',
'irb' => 'Open an interactive Ruby shell on the current session',
'pry' => 'Open the Pry debugger on the current session',
'use' => 'Deprecated alias for "load"',
'load' => 'Load one or more meterpreter extensions',
'machine_id' => 'Get the MSF ID of the machine attached to the session',
@ -532,7 +534,7 @@ class Console::CommandDispatcher::Core
def cmd_irb_help
print_line('Usage: irb')
print_line
print_line('Execute commands in a Ruby environment')
print_line('Open an interactive Ruby shell on the current session.')
print @@irb_opts.usage
end
@ -542,7 +544,7 @@ class Console::CommandDispatcher::Core
end
#
# Runs the IRB scripting shell
# Open an interactive Ruby shell on the current session
#
def cmd_irb(*args)
expressions = []
@ -561,12 +563,16 @@ class Console::CommandDispatcher::Core
framework = client.framework
if expressions.empty?
print_status('Starting IRB shell')
print_status('The "client" variable holds the meterpreter client')
print_line
print_status('Starting IRB shell...')
print_status("You are in the \"client\" (session) object\n")
Rex::Ui::Text::IrbShell.new(binding).run
Rex::Ui::Text::IrbShell.new(client).run
else
# XXX: No vprint_status here
if framework.datastore['VERBOSE'].to_s == 'true'
print_status("You are executing expressions in #{binding.receiver}")
end
expressions.each { |expression| eval(expression, binding) }
end
end
@ -574,12 +580,12 @@ class Console::CommandDispatcher::Core
def cmd_pry_help
print_line 'Usage: pry'
print_line
print_line 'Open a Pry session on the current session.'
print_line 'Open the Pry debugger on the current session.'
print_line
end
#
# Open a Pry session on the current session
# Open the Pry debugger on the current session
#
def cmd_pry(*args)
if args.include?('-h')